Edited, memorised or added to reading list

on 25-Oct-2019 (Fri)

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Flashcard 4487537888524

Question
In AWS, what is the difference between rebooting and stopping/starting an EC2 instance? Explain it in terms of what happens in each case when dealing with a EBS Volume vs Instance Store volume (i.e. EC2 is created from Instacne Store AMI where you have no visibility to the volume from the AWS console)?
Answer

Rebooting, just reboots the underlying OS, whereas Stop/Start, is done when there is something wrong with the underlying Host hypervisor. Stopping and instance and starting it, could cause the instance to run on another host (i.e. could result in new IP, etc). So in case of EBS Volumes, nothing bad happens (as new instance running on possible new host just gets attached to same EBS volume), but if you have EC2 backed by Instace Store AMI, Stop/Start will kill/delete/wipe the root device volume.

^^ note that when you stop an instance, you don't get charged for compute anymore, but if you are using an EBS backed volume, you do get small storage charges for the EBS volume.


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①全球股市历史显示,长期看股指年化涨幅与名义 GDP 接近, 年度涨跌幅会大幅偏离长期均值,就像钟摆经过中心点的时间很短。②美股、 港股、台股历史显示,股指年振幅不断收窄,这源于 GDP 增速放缓、机构 投资者占比提升。③A 股年振幅从 2010 年前的 82%降至近几年的 42%,但 仍高于成熟市场的 20%-32%,长期看有望进一步收窄

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Flashcard 4487648775436

Question
In AWS, you can create CloudWatch [...] which then trigger notifications, for example, when your bill gets too high or an EC2 instance goes over some CPU threshold.
Answer
alarms


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Flashcard 4487650872588

Question
In AWS, CloudWatch is all about performance monitoring (e.g. CPU usage of EC2) while [...] is about auditing (which user made which API call to use which resource and how).
Answer
CloudTrail


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the reflective SQ4R method. SQ4R stands for survey, question, read, recite, reflect, and review.

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Flashcard 4494211812620

Question
A histogram shows this of a set of continuous data or discrete numeric data.
Answer
the frequency distribution (or shape)


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Flashcard 4494213909772

Question
A histogram shows the frequency distribution of a set of this data or this data.
Answer
continuous data or discrete numeric data.


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Flashcard 4494216793356

Question
A histogram is constructed from a variable of this kind.
Answer
numeric


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Flashcard 4494219414796

Question
A histogram is constructed from a numeric variable that is divided into these.
Answer
bins (or selected intervals).


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Flashcard 4494223346956

Question
there are typically no spaces between the bins because a histogram represents this.
Answer
a continuous dataset,


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Flashcard 4494225968396

Question
Because a histogram represents a continuous dataset, there are typically no spaces between the bins, ensuring that these in the data are easily found.
Answer
real gaps


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Flashcard 4494228589836

Question
the appearance of the histogram can drastically change by changing these.
Answer
Choosing different bin widths


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Flashcard 4494231997708

Question
too much information is shown in a histogram if bin widths are this.
Answer
too small


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Flashcard 4494234357004

Question
If bin widths are too small, then too much information is shown, which can preclude the underlying frequency from being this.
Answer
clearly seen.


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Flashcard 4494236454156

Question
in histograms the number of bins is determined this way.
Answer
By dividing the range of values by the bin width, h


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Flashcard 4494238551308

Question
the shape and representation of a histogram can be drastically changed by the choice of bin widths, and accordingly, these of the various bins.
Answer
the endpoints of the various bins.


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Flashcard 4494240648460

Question
this encompasses all points along a range over which a kernel density estimate will be com- puted.
Answer
The grid


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Flashcard 4494242745612

Question
the bandwidth of a kernel density estimation is equivalent to this of a histogram.
Answer
bin width


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Flashcard 4494248250636

Question
Tables, rather than graphs, are often used to display data for categorical variables with many of these.
Answer
categories


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Flashcard 4494251920652

Question
Another way to streamline bucketing (aside from grouping and dummy variables) is to select (a) and then perform a series of (b) to determine the (c) between a (d) and (e) as compared to a predetermined (f).
Answer
select a target variable and then perform a series of tests to determine the correlation between a variable and the target variable as compared to a predetermined threshold of correlation.


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Flashcard 4494254017804

Question
data anomlies render useable data less suitable and reliable for (a) or (b).
Answer
analysis or modeling


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Flashcard 4494256114956

Question
where random fluctuations can obscure patterns in the data is where these are found
Answer
noisy data


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Flashcard 4494258212108

Question
An error is an (a) or (b) value.
Answer
[default - edit me]


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Flashcard 4494260309260

Question
Errors can be (a) or (b).
Answer
random or systematic.


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Flashcard 4494262406412

Question
Random error is due to (a) causes and may be accounted for within a certain (b) established for a project.
Answer
Random error is due to unknown causes and may be accounted for within a certain acceptable range established for a project.


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Flashcard 4494264503564

Question
Random error does not produce repeatable these.
Answer
patterns


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Flashcard 4494266600716

Question
Systematic has an (a) pattern
Answer
observable


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Flashcard 4494268697868

Question
many times an identifiable cause and applicable remedy exists for this kind of error.
Answer
systematic


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Flashcard 4494270795020

Question
Values that differ greatly from (a) are considered outliers.
Answer
typical values


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Flashcard 4494272892172

Question
Data can be missing individual values because they were lost through (a) and (b) activities or they (c).
Answer
because they were lost through processing and handling activities or they were not supplied.


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Flashcard 4494274989324

Question
Truncation occurs when claims higher than or lower than (a) are (b) from the data.
Answer
Truncation occurs when claims higher than or lower than a threshold are excluded from the data.


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Flashcard 4494277086476

Question
trimmed mean, where both (a) and (b) values are excluded from the calculation of the mean.
Answer
trimmed mean, where both low and high values are excluded from the calculation of the mean.


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Flashcard 4494279183628

Question
When examining standardized values for outliers, a rule of thumb is that values greater or less than (a) standard deviations from the mean—in other words, those with an absolute value of the (b) score in excess of three—may be considered outliers.
Answer
When examining standardized values for outliers, a rule of thumb is that values greater or less than three standard deviations from the mean—in other words, those with an absolute value of the Z score in excess of three—may be considered outliers.


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Flashcard 4494281280780

Question
with the heavy-tailed data often found in insurance, the threshold of three may be too (a)
Answer
low


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Flashcard 4494283377932

Question
An unusually wide (a), or extreme (b) or (c) values, may suggest the presence of outliers.
Answer
An unusually wide range, or extreme minimum or maximum values, may suggest the presence of outliers.


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Flashcard 4494285475084

Question
many insurance variables have a large number of values that are greater than (a) standard deviations from the mean.
Answer
three


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Flashcard 4494287572236

Question
variance and standard deviation are (a) dependent and (b) as the scale of a variable increases without the relative (c) increasing.
Answer
variance and standard deviation are scale dependent and increase as the scale of a variable increases without the rela- tive variability increasing.


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Flashcard 4494289669388

Question
A scatterplot showing most data clustered in one (a), and few other points (b), may reveal the other points as outliers
Answer
A scatterplot showing most data clustered in one area, and few other points far away, may reveal the other points as outliers


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Flashcard 4494291766540

Question
In AWS, when you create an EC2 instance, in the Advanced Details section on the Configure Instance page (after you choose your AMI and instance type), you can use the "User data" section to add [...MULTI-WORD DESCRIPTION HERE....]
Answer

Bootstrap scripts / configuration scripts / setup scripts

^^ scripts (usually bash) to do some initial installations of packages and things like that, to configure the instance on start (i.e. what ansible normally does but a simplified version).
^^^ you can see this script from within the instance by issuing the following command at the shell: sudo curl http://169.254.169.254/latest/user-data


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Flashcard 4494293863692

Question
In AWS, let's say you are at the shell of an EC2 instance, issue command to get information about the instance, specifically its public-ipv4 (assuming it has public ip)?
Answer
sudo curl http://169.254.169.254/latest/meta-data/public-ipv4


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Flashcard 4494295960844

Question
In AWS, lets say you created an EC2 instance that you configured a bootstrap script for (i.e. to install some packages, like httpd, when instance first starts), from inside the instance shell, issue command to see the content of that bootstrap script.
Answer

sudo curl http://169.254.169.254/latest/user-data


^^ note that instead of getting just user-data scripts with above command, you can get instance meta-data like public-ipv4 by issuing similar command: sudo curl http://169.254.169.254/latest/meta-data/public-ipv4


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Flashcard 4494298057996

Question
If the reason for the anomaly occurring can be determined, (a) may solve the problem.
Answer
treating that behavior or situation


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Flashcard 4494300155148

Question
Pivot tables, along with pivot charts, allow rapid (a) and often identify (b).
Answer
allow rapid data exploration and often identify previously unknown data issues.


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Flashcard 4494302252300

Question
In multivariate analysis, categorical tables are also called (a) tables or (b).
Answer
contingency tables or cross tabulations.


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Flashcard 4494304349452

Question
It is common to produce (a) to assess the strength of correlations between variables in the data.
Answer
correlation matrices


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Flashcard 4494306446604

Question
If the data points fall on a curve, or some other random or nonrandom shape, they are (a).
Answer
nonlinear


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Flashcard 4494308543756

Question
Scatterplots pictorially plot the data points for (a) variables, graph the (b) between the variables, predict future (c) based on the data, and reveal existing (d).
Answer
Scatterplots pictorially plot the data points for two variables, graph the relationships between the variables, predict future activities based on the data, and reveal existing outliers.


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Flashcard 4494310640908

Question
independent variable (one that is not dependent on (a) to change)
Answer
another variable


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Flashcard 4494312738060

Question
A scatterplot generally plots the (a) variable on the x-axis and the (b) variable on the y-axis.
Answer
A scatterplot generally plots the independent variable on the x-axis and the dependent variable on the y-axis.


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Flashcard 4494314835212

Question
dependent variable (one that is influenced by (a) to another (b))
Answer
[default - edit me]


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Flashcard 4494316932364

Question
If the scale of a scatterplot changes, its (a) strength does not change.
Answer
correlation


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Flashcard 4494319029516

Question
The philosophy of graphical integrity (or graphical excel- lence) espouses principles and ideals that ensure that (a) accurately and stylistically represent the (b).
Answer
visual components accurately and stylistically represent the displayed data.


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Flashcard 4494321126668

Question
the goal of the philosophy of graphical integrity or graphical excellence is (a) of (b).
Answer
efficient communication of complex quantitative ideas.


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Flashcard 4494323223820

Question
chartjunk can be summarized as anything that does not contribute to a (a) and (b) understanding of the data.
Answer
clear and accurate understanding of the data.


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Flashcard 4494325320972

Question
In AWS, if you have multiple EC2 instances that need to share a file system (i.e. files within a directory tree), you can use AWS [...] .
Answer

EFS

^^ EFS uses the NFS v4 protocal and is essentially a Network File server (i.e. each EC2 instance can mount a directory to it)
^^^ From the EFS console you get detailed instructions of how to mount to it from your EC2 (i.e. can be done easily through a tool AWS provides)
^^^^ EFS price model is pay for storage as you go (no pre-provisioning required), and is infinitely scalable (petabytes of data), so similar to S3 pricing model
^^^^^ to guarantee durability and availability, data is stored across multiple Availability Zones within a region
^^^^^^ Has read after write consistency.


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Does the audience have the understanding or skill needed to understand the information? • How well acquainted are they with the analyst and the data analysis? Is the analyst already established as a cred- ible expert? • What do they need to know or take away from the display? • Will this be sent via email or presented in person? How much control will the analyst have over the setting? • What is the tone of this information? Will it be well received by this audience? • Are there any pre-existing biases from the audience that should be considered? • What is the story that you wish to tell? That is, what is the purpose of the presentation, and what conclusions do you wish people to draw?

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Flashcard 4494328990988

Question
In AWS, EFS has 2 distinct advantages to EBS, 1) you can have multiple EC2 instances use the same EFS volume/file system (wheras with EBS only 1 EC2 instance can use an EBS volume), and 2) [...long description here...]
Answer
it scales infinitely as you can store petabytes of data on the fly and you pay as you go for the storage you use (by size)


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Flashcard 4494331088140

Question
In AWS, EFS uses [...]v4 protocal that allows multiple EC2 instances (up to thousands) to share the same file system
Answer
NFS


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Flashcard 4494331612428

Question
If a project requires explanatory data, all the previous exploratory data usually need not be presented because (a).
Answer
the type of analysis to use has already been decided


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Flashcard 4494335282444

Question
In AWS, EFS provides data durability/availabilty by storing its data [...multi-word answer here...]
Answer
across multiple Availability Zones in a Region


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Flashcard 4494335806732

Question
The more specifically the audience is described, the greater the chance that the data and type of display chosen will (a).
Answer
align with that audience


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Data preparation a. When the data is first collected, it must be logged for recordkeeping and retention purposes, then checked for determined levels of accuracy, readability, completeness, and relevance. And the data must include the variables needed for the analysis before it can be transformed or oth- erwise treated to better facilitate the purpose of the analysis or visualization

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Flashcard 4494341049612

Question
In AWS, if you want multiple EC2 instances to share the same directory subtree, you can create an EFS file system and then [...multi-word answere here...] from each EC2 instance.
Answer

mount that files system

^^ instructions for how to mount are provided from the EFS console, basicaly it is using an AWS tool (that uses NFS protocal under the hood) and you have to use a Security Group for the EFS file system that allows incoming on the NFS port!!!


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• When working in Excel, use one table per spreadsheet, remove introductory comments, and ensure that the first table row is the headers. • Remove unused or unnecessary columns; include only data to be used in the analysis and display.

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Flashcard 4494344457484

Question

General best practices for preparing and cleaning raw data to facilitate analysis and visualization

When working in Excel, use one (a) per spreadsheet, remove introductory (b), and ensure that the first table row is the (c).

Answer
one table per spreadsheet, remove introductory comments, and ensure that the first table row is the headers.


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• Shorten field lengths, especially unusually long ones that disrupt the visual flow, and reduce cardinality when reasonable. • Each column should have a unique header; multiple or redundant headers can be merged. • Label the currency type or percentage in the header, not next to each entry. • Remove random cell annotations or consolidate them in an additional column titled “Explanations.” • Fill blank cells with appropriate treatment or leave them blank to indicate unknown or unavailable values. • Confirm that all rows have identical numbers of columns aligning with headers. • If necessary, change the rows to columns or columns to rows. • Merge rows or columns to eliminate empty cells or an emphasis on sparsity of data. • Group associated variables into categories or ranges to facilitate visualization.

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Flashcard 4494348389644

Question
In AWS, if you want multiple EC2 instances to share the same directory subtree, you can create an EFS file system and then mount that files system from each EC2 instances. But you also have to configure a Security Group rule for the EFS file system that allows incoming traffic on the [...] port.
Answer

NFS

^^ NFS port is 2049, but you don't have to memorize this as it is provided for you when you add the SG rule for the EFS filesystem
^^^ the source that you add for the SG rule is the SG of the EC2 instances (because you only want the EC2 instances to be able to access the EFS filesystem, not all the world!)


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Some basic guidelines for using color in bar charts and graphs include these: • Many companies have presentation guidelines that require that predefined colors (or colors based on them) be used whenever possible. • Choose colors strategically, always keeping the audience in mind, and use compatible colors (those in close prox- imity on the color wheel) rather than competing colors (those on opposite sides). • Use the same color throughout the display to represent the same variable and graduated shades of one color to make a multiple-bar chart easy to scan and follow. • Because the color red depicts business losses, using it to graph negative earnings or growth can be productive, but red should not be used to display positive results. • Black ink should be used for text on a light background; if a black background must be used, white text should be used, not another light color.

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• Use a darker shade of the same color or a lighter color to highlight a slice on a pie chart. Avoid coloring and separating the slice; one or the other is more effective

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Flashcard 4494352059660

Question
Lines provide a simple visual that enables the user to easily recognize (a) in the data—up and down are easy representations of change.
Answer
movement


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Flashcard 4494354156812

Question
trend lines must be (a) and (b) from the points (especially when concentrated in one area) to be appropriately dis- played.
Answer
visible and distinct


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Flashcard 4494356253964

Question
Lines are usually best displayed when (a) or fewer are used on one graph for comparison.
Answer
four or fewer


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Flashcard 4494359923980

Question
Lines are usually best displayed when four or fewer are used on one graph for comparison. When more than four are used, a panel of (a) may give a less cluttered and more distinguishable understanding
Answer
smaller one-line exhibits adjacent to each other


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Flashcard 4494362021132

Question
Lines are usually best displayed when four or fewer are used on one graph for comparison. When more than four are used, a panel of smaller one-line exhibits adjacent to each other may give a less cluttered and more distinguishable understanding, especially if the changes in data are (a) and might be (b) if one graph were used.
Answer
especially if the changes in data are subtle and might be lost if one graph were used.


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Flashcard 4494364118284

Question
The increments on the x- and y-axes are important not just for their values; they can also help improve (a).
Answer
the user’s understanding


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Flashcard 4494365429004

Question
In AWS, when you create a security group, to add an inbound rule, you can specificy IPs or [...multi-word description here...]
Answer

other security groups

^^ When you specify other security groups, you are giving the resources (e.g. EC2 instaces) attached to that other SG access.


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Flashcard 4494366739724

Question
with points and lines, the origin should typically be (a) to avoid (b) about the (c).
Answer
with points and lines, the origin should typically be zero to avoid misleading the audience about the magnitude of changes or differences.


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Flashcard 4494370409740

Question
Gridlines are used to separate (a) and (b)
Answer
columns and rows


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Flashcard 4494372506892

Question
Gridlines are used to separate columns and rows and to (a) and (b) sections of data.
Answer
to group and highlight sections of data.


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Flashcard 4494374604044

Question
A visual drawback of gridlines is that they hinder the smooth and seamless (a) and thus render the display (b).
Answer
A visual drawback of gridlines is that they hinder the smooth and seamless flow of information and thus render the display less effective.


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Flashcard 4494376701196

Question
Gridlines are used in both (a) and (b)
Answer
tables and graphs


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Flashcard 4494378798348

Question
(a) tables may not require any gridlines.
Answer
Very small tables


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Flashcard 4494380895500

Question
For small or medium tables, surrounding each value with gridlines may be (a)
Answer
distracting


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Flashcard 4494382992652

Question
For small or medium tables, surrounding each value with gridlines may be distracting, as they could (a) the data.
Answer
overshadow


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Flashcard 4494385089804

Question
For small or medium tables, surrounding each value with gridlines may be distracting, as they could overshadow the data. Other alternatives may be (a) under each line of entries or under every (b) to (c) line of entries, or lightly (d) every other line of entries.
Answer
Other alternatives may be horizontal lines under each line of entries or under every third to fifth line of entries, or lightly shading every other line of entries.


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Flashcard 4494387186956

Question
Tick marks should be (a) but (b) compared with the data values.
Answer
visible but subdued


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Flashcard 4494389284108

Question
The display should have enough tick marks to easily (a) the values to the user but not so many that it adds clutter and (b).
Answer
to easily reveal the values to the user but not so many that it adds clut- ter and confusion.


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Flashcard 4494391381260

Question
Left-right scales (or (a) axes) share an (b)-axis but attempt to compare (c) of quantities.
Answer
Left-right scales (or dual-scaled axes) share an x-axis but attempt to compare two sorts of quantities.


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Flashcard 4494393478412

Question
Labeling is essential to explaining what exactly is being (a). Like other display elements, the labels should be (b) visually and add (c) but not clutter.
Answer
Labeling is essential to explaining what exactly is being displayed. Like other display elements, the labels should be easy to follow visually and add clarity but not clutter.


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Flashcard 4494395575564

Question
A general rule for line graphs is to label the lines individually using (a) labels adjacent to the (b) ((c) side of) the line.
Answer
short labels adjacent to the end (right side of) the line.


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Flashcard 4494397672716

Question
if a graph contains several lines that continually fluctuate and intersect each other, a (a) legend may best identify the (b).
Answer
a simple adjacent legend may best identify the represented variable.


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Flashcard 4494399769868

Question
When labeling a single line graph with great peaks and valleys, the extreme (a) and (b) may be labeled if essential to the (c).
Answer
the extreme highs and lows may be labeled if essential to the point of the display.


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Flashcard 4494401867020

Question
Legends are appropriate for charts with multiple bars (especially more than two) because (a) the individual bar’s components can be (b).
Answer
directly labeling the individual bar’s components can be difficult.


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Flashcard 4494403964172

Question
Legends can be placed (a) or (b) the data area.
Answer
inside or outside


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Flashcard 4494406061324

Question
in plotting pictograms, icons should be (a), retain their (b) no matter how small, and be roughly (c), and they should be used to indicate (d).
Answer
icons should be simple, retain their shape no matter how small, and be roughly square, and they should be used to indicate broad categories.


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Best practices for combining multiple displays into a series of displays include these: • The series of smaller graphs should be consistently dis- played. • The series should be arranged to highlight the identified relevance of the comparison. • The series should be sequenced as the variable is ordered (lowest to highest, oldest to youngest, and so forth). • Gridlines should be used sparingly and only if space limi- tations require separation to assist in following the series.

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Flashcard 4494409731340

Question
In AWS, when you create an EC2 instance, you can choose to put it in a particular [...] [...] which controls which rack within which datacentre the instance runs on in relation to other instances within the same [...] [...] <-- SAME ANSWER FOR BOTH SETS OF OCCULSIONS
Answer
Placement Group


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Flashcard 4494412614924

Question
In AWS, you can group EC2 instances into Placement Groups that determine how they are distributed over different racks within differnt data centres. There are three types of Placement Groups: [...] , Spread and Partitioned.
Answer

Clustered

^^ Clustered Placement Groups are for a set of EC2 instances that communicate a lot with each other and you want low network latency between them, so you want them in the same Availability Zone and as close together as possible (i.e. on the same rack).
^^^ Spread Placement Groups are for a set of EC2 instances that do not communicate much with eachother (i.e. low network latency is not an issue) but they each do critical workload that is a replication of each other, so you want them on differnt racks, possibly spread across multiple AZs. For Clustered Placement Groups think individual EC2s!
^^^^ Partitioned Placement groups, place EC2 instances into different partitions, each of these partitions is then in turn spread across multiple racks, possibly across multiple AZs. This is for HDFS, Cassandra usecases.


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Flashcard 4494415498508

Question
In AWS, you can group EC2 instances into Placement Groups that determine how they are distributed over different racks within differnt data centres. There are three types of Placement Groups: Clusterend, [...] and Partitioned.
Answer

Spread

^^ Clustered Placement Groups are for a set of EC2 instances that communicate a lot with each other and you want low network latency between them, so you want them in the same Availability Zone and as close together as possible (i.e. on the same rack).
^^^ Spread Placement Groups are for a set of EC2 instances that do not communicate much with eachother (i.e. low network latency is not an issue) but they each do critical workload that is a replication of each other, so you want them on differnt racks, possibly spread across multiple AZs. For Clustered Placement Groups think individual EC2s!
^^^^ Partitioned Placement groups, place EC2 instances into different partitions, each of these partitions is then in turn spread across multiple racks, possibly across multiple AZs. This is for HDFS, Cassandra usecases.


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Flashcard 4494417595660

Question
In AWS, you can group EC2 instances into Placement Groups that determine how they are distributed over different racks within differnt data centres. There are three types of Placement Groups: Clusterend, Spread and [...] .
Answer

Partitioned

^^ Clustered Placement Groups are for a set of EC2 instances that communicate a lot with each other and you want low network latency between them, so you want them in the same Availability Zone and as close together as possible (i.e. on the same rack).
^^^ Spread Placement Groups are for a set of EC2 instances that do not communicate much with eachother (i.e. low network latency is not an issue) but they each do critical workload that is a replication of each other, so you want them on differnt racks, possibly spread across multiple AZs. For Clustered Placement Groups think individual EC2s!
^^^^ Partitioned Placement groups, place EC2 instances into different partitions, each of these partitions is then in turn spread across multiple racks, possibly across multiple AZs. This is for HDFS, Cassandra usecases.


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Flashcard 4494419692812

Question
In AWS, when you have a set of EC2 instances that communicate a lot with each other and you want low network latency between them, you put them in a [...] Placement Group.
Answer

Clustered

^^ For Clustered Placement groups, you want the EC2s in the same Availability Zone and as close together as possible (on the same rack).


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Flashcard 4494421789964

Question
In AWS, when you have a set of individual EC2 instances that do not communicate much with eachother (i.e. low network latency is not an issue) but they each do critical workload that is a replication of each other, you put them in a [...] Placement Group
Answer

Spread

^^ For Spread Placement groups, you want the EC2 spread out across different racks, possible in different data centres, to guarantee overall uptime.


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Flashcard 4494423887116

Question
In AWS, when you have several groups of EC2 instances, and you want each group to be spread out across different racks, within different Availability Zones, you put them in a [...] Placement Group. (for cases like HDFS, HBase, Cassandra)
Answer
Partitioned


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Flashcard 4494434110732

Question
Tables appeal to a user’s (a) system
Answer
verbal


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Flashcard 4494436207884

Question
ables appeal to a user’s verbal system, meaning the information is displayed (a) or (b) or both.
Answer
going across rows or down columns or both.


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Flashcard 4494438305036

Question
Tables are best used to display data when the comparison of (a) is deemed important, (b) of values matters, and (c) units of measure are involved in the (d).
Answer
when the comparison of individual values is deemed important, precision of values matters, and multiple units of measure are involved in the analysis.


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Flashcard 4494440402188

Question
Tables provide displays of or comparisons between (a) values and (b) data or between two sets of (c) values.
Answer
between quantitative values and categorical data or between two sets of quantitative values.


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Flashcard 4494442499340

Question
Quantitative values and categorical data tables are mainly used for observing (a), as it relates to either (b) or (c).
Answer
for observing one value at a time, as it relates to either a single category or multiple categories.


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Flashcard 4494444596492

Question
When a table displays values for a single categorical item, this can be done either (a) (horizontally) or (b) (vertically).
Answer
across columns (horizontally) or down rows (vertically).


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Flashcard 4494446693644

Question
When values are displayed across two categorical items, it can be done in a (a) manner. While this hierarchy could be displayed (b), it is far more typical to do so (c) for ease of reading the respective (d).
Answer
in a hierarchical manner. While this hierarchy could be displayed horizontally, it is far more typical to do so vertically for ease of reading the respective levels.


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Flashcard 4494448790796

Question
A way to display values across two categorical items is to have one item in the (a) and the other in the (b). This may be referred to as a (c) display or as an (d).
Answer
to have one item in the rows and the other in the columns. This may be referred to as a row-by-column display or as an array.


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Flashcard 4494450887948

Question
When displaying two values across two categorical items in a hierarchical table with vertical display, (a) columns for the values are needed.
Answer
two


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Flashcard 4494452985100

Question
When displaying two values across two categorical items in an array, a typical display might use (a) (or (b)) arrays, with each value in its own (c).
Answer
side-by-side (or above-and- below) arrays, with each value in its own array.


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Flashcard 4494455082252

Question
One might display one value across three categorical items in a hierarchical table with (a) display.
Answer
vertical


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Flashcard 4494457179404

Question
One might display one value across three categorical items in a hierarchical table with vertical display. Alternately, if one of the categorical items has only a few levels, then (a) arrays might be used where each array contained the same (b).
Answer
side-by-side arrays might be used where each array contained the same value.


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Flashcard 4494459276556

Question
As the number of values and categorical items increases, an effective (a) display may become quite (b).
Answer
an effective tabular display may become quite challenging.


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Flashcard 4494461373708

Question
For all types of tables, the data, not the borders or gridlines, should be the (a) of the display.
Answer
highlight


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Flashcard 4494463470860

Question
For all types of tables, the (a), not the (b) or (c), should be the highlight of the display
Answer
the data, not the borders or gridlines


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Flashcard 4494465568012

Question
Other practical considerations in the design of tables include aligning whole numbers (a), aligning decimal numbers (b), and placing the various columns and rows in a logical (c).
Answer
aligning whole numbers flush to the right, aligning decimal numbers at the decimal point, and placing the various columns and rows in a logical sequence.


statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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Flashcard 4494467665164

Question
Other practical considerations in the design of tables include (a) flush to the right, (b) at the decimal point, and (c) in a logical sequence.
Answer
include aligning whole numbers flush to the right, aligning decimal numbers at the decimal point, and placing the various columns and rows in a logical sequence.


statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

pdf

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Flashcard 4494469762316

Question
A dashboard displays an organization’s most important information on (a).
Answer
on a single screen.


statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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Flashcard 4494471859468

Question
A dashboard displays an organization’s most important information on a single screen. Individual datasets can be (a), (b) in increasing detail, and (c) in order to view a single part of the display in new and (d) ways.
Answer
Individual datasets can be accessed, examined in increasing detail, and compared in order to view a single part of the display in new and meaningful ways.


statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

pdf

cannot see any pdfs