Edited, memorised or added to reading list

on 26-Oct-2019 (Sat)

Do you want BuboFlash to help you learning these things? Click here to log in or create user.

H. Identify Potential Independent Variable
statusnot read reprioritisations
last reprioritisation on reading queue position [%]
started reading on finished reading on

pdf

cannot see any pdfs




Flashcard 4494477364492

Question
to facilitate an accurate and meaningful look at an organization’s status, dashboard elements can be displayed in any order, but grouping related or (a) elements in (b) or with (c) colors.
Answer
grouping related or correlated elements in close proximity or with similar colors.

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







Flashcard 4494479461644

Question
The text on the dashboard should be (a) to read, in a (b) style and size that presents the particular data well.
Answer
The text on the dashboard should be easy to read, in a font style and size that presents the particular data well.

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







Interactive dashboards allow the user to drill down on a par- ticular element for further information, historical perspective, and/or reasons behind the dashboard’s values.
statusnot read reprioritisations
last reprioritisation on reading queue position [%]
started reading on finished reading on

pdf

cannot see any pdfs




Dashboards can be distributed in various ways, including as a presentation, via email, or online.
statusnot read reprioritisations
last reprioritisation on reading queue position [%]
started reading on finished reading on

pdf

cannot see any pdfs




Flashcard 4494485490956

Question
Log graphs use (a) scales for both axes or for one axis, with the other axis using a conventional (b) scale.
Answer
Log graphs use logarithmic scales for both axes or for one axis, with the other axis using a conventional linear scale.

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







Flashcard 4494487588108

Question
Log-log graphs have a logarithmic scale for the (a) and (b).
Answer
Log-log graphs have a logarithmic scale for the x-axis and y-axis.

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







Flashcard 4494489685260

Question
A log-log graph draws out the area where the (a) values occur and, in cases where it is optimally used, shows meaningful (b).
Answer
A log-log graph draws out the area where the outlier values occur and, in cases where it is optimally used, shows meaningful comparisons.

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







Flashcard 4494491782412

Question
Log-log graphs are used for displays when data ranges of both (a) and (b) values vary greatly.
Answer
Log-log graphs are used for displays when data ranges of both x and y values vary greatly.

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







Flashcard 4494493879564

Question
Semi-log graphs use a (a) scale for one axis and a (b) one for the other.
Answer
Semi-log graphs use a linear scale for one axis and a logarithmic one for the other.

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







Flashcard 4494495976716

Question
A sociogram, or (a) graph, is made up of (b) (vertices) and (c).
Answer
A sociogram, or network graph, is made up of nodes (vertices) and edges.

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







Flashcard 4494498073868

Question
When examining a sociogram, each (a) can be thought of as an actor and each (b) as a relationship.
Answer
When examining a sociogram, each node can be thought of as an actor and each edge as a relationship.

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







Flashcard 4494500171020

Question
Some network graphs use (a) to distinguish that some connections are flowing in only one direction, and some use (b) edges (essentially, thicker or thinner lines) to show the strength or frequency of the (c).
Answer
Some network graphs use arrows to distinguish that some connections are flowing in only one direction, and some use weighted edges (essentially, thicker or thinner lines) to show the strength or frequency of the connections.

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







Flashcard 4494502268172

Question
in a network graph, a directed tie is represented by an (a).
Answer
in a network graph, a directed tie is represented by an arrow.

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







Flashcard 4494504365324

Question
A sociogram of a large network can quickly become difficult to (a), and the best way to analyze a larger social network is through a (b).
Answer
A sociogram of a large network can quickly become difficult to follow, and the best way to analyze a larger social network is through a matrix.

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







Flashcard 4494506462476

Question
Some experts note that people visually associate quantity with area rather than length. Therefore, it is best to set the circle’s diameter as the (a) of the quantity being mapped, so that each circle’s area is proportional to the actual quantity.
Answer
Some experts note that people visually associate quantity with area rather than length. Therefore, it is best to set the circle’s diameter as the square root of the quantity being mapped, so that each circle’s area is proportional to the actual quantity.

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







Flashcard 4494508559628

Question
Data that is collected sequentially over time.
Answer
Time series data

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







Flashcard 4494510656780

Question
A statistic that identifies the center or middle value of a probability distribution.
Answer
Central tendency

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







Flashcard 4494512753932

Question
A measure of whether a probability distribution is symmetrical.
Answer
Skewness

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







Flashcard 4494514851084

Question
One of various descriptions about the mean, where the first is zero, the second is the variance, and the third and fourth are used to define skewness and kurtosis
Answer
Moment

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







Flashcard 4494516948236

Question
Data that is without breaks, having an infinite number of possible values, in a selected range.
Answer
Continuous data

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







Flashcard 4494519045388

Question
A value that is much smaller or much greater than the other values in a dataset, or one that is outside the general pattern of the data.
Answer
Outlier

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







Flashcard 4494521142540

Question
A curve, or a type of conic section, that has an arch-like shape.
Answer
Parabola

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







Flashcard 4494523239692

Question
A nonlinear relationship in which the variables steadily increase or decrease, but not both, without abrupt reversals in fluctuation.
Answer
Monotonic

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







Flashcard 4494525336844

Question
A nonlinear relationship in which the variables oscillate inconsis- tently, making repeatable patterns difficult to observe.
Answer
Nonmonotonic

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







Flashcard 4494527433996

Question
A graph that shows the relationship between two variables or groups of paired variables.
Answer
Scatterplot

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







Flashcard 4494529531148

Question
A graphic representation of a social network
Answer
Sociogram

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







Flashcard 4494531628300

Question
In network analytics, a point in a network.
Answer
Node (vertex)

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







Flashcard 4494533725452

Question
A link in a network.
Answer
Edge

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







Flashcard 4494535822604

Question
An edge within a network graph that has direction
Answer
Directed tie

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







Flashcard 4494537919756

Question
For nonlinear relationships, a linear correlation coefficient is not an appropriate indicator of (a).
Answer
For nonlinear relationships, a linear correlation coefficient is not an appropriate indicator of correlation.

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







Flashcard 4494540016908

Question
When pulling data from various sources, data scientists are often left with a very large dataset. It is a data scientist’s job to determine which data and which attributes are truly (a).
Answer
It is a data scientist’s job to determine which data and which attributes are truly valuable.

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







Flashcard 4494542114060

Question
Data reduction can also be accomplished by removing variables from the modeling dataset that have no (a) value.
Answer
Data reduction can also be accomplished by removing variables from the modeling dataset that have no predictive value.

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







Flashcard 4494544211212

Question
When some of the potential predictors are correlated, it is possible to use (a) techniques to eliminate or reduce that correlation and to reduce the number of predictive variables (known as (b)).
Answer
When some of the potential predictors are correlated, it is possible to use unsupervised techniques to eliminate or reduce that correlation and to reduce the number of predictive variables (known as dimension reduction).

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







Flashcard 4494546308364

Question
Principal component analysis can be used to convert the original (a) variables into a set of variables that are (b) of each other.
Answer
Principal component analysis can be used to convert the original correlated variables into a set of variables that are independent of each other.

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







Flashcard 4494548405516

Question
principal components are (a) combinations of the original variables that account for the (b) in the original data.
Answer
principal components are linear combinations of the original variables that account for the variance in the original data.

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







Flashcard 4494550502668

Question
Principal components can be used as (a) variables instead of the (b) variables.
Answer
Principal components can be used as predictive variables instead of the original variables.

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







Flashcard 4494552599820

Question
Variable clustering is another technique used for (a) reduction.
Answer
Variable clustering is another technique used for dimension reduction.

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







Flashcard 4494554696972

Question
Variable clustering is a technique that splits the variables into (a) in which the variables are more (b) to each other than with variables in (c).
Answer
Variable clustering is a technique that splits the variables into groups in which the variables are more correlated to each other than with variables in the other groups.

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







Flashcard 4494556794124

Question
To obtain an honest assessment of a model’s predictive power, it is best to test it on data that was not used to (a).
Answer
To obtain an honest assessment of a model’s predictive power, it is best to test it on data that was not used to train the model.

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







Flashcard 4494558891276

Question
sometimes alternative models are compared to each other using a test sample. When that is done, the test sample becomes (a).
Answer
sometimes alternative models are compared to each other using a test sample. When that is done, the test sample becomes contaminated.

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







Flashcard 4494560988428

Question
Sometimes alternative models are compared to each other using a test sample. In these cases, it is best to reserve a (a) sample for evaluation of the (b).
Answer
Sometimes alternative models are compared to each other using a test sample. In these cases, it is best to reserve a holdout sample for evaluation of the final model.

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







Flashcard 4494563085580

Question
Documenting the data preparation work is important for two reasons. First, if the model is implemented, the data used in (a) will need to be transformed and binned in the same way as the data used for (b). Second, it may be necessary to (c) the process to refresh the model in the future.
Answer
Documenting the data preparation work is important for two reasons. First, if the model is implemented, the data used in production will need to be transformed and binned in the same way as the data used for training the model. Second, it may be necessary to repeat the process to refresh the model in the future.

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







Claims predictive modeling applications include first notice of loss (FNOL) triage models, fraud/questionable claims detection models, and next-best-action models.
statusnot read reprioritisations
last reprioritisation on reading queue position [%]
started reading on finished reading on

pdf

cannot see any pdfs




Flashcard 4494566755596

Question
The data scientist developing predictive models needs to understand both the data used to (a) the model and the data (b) that are often encountered using it.
Answer
The data scientist developing predictive models needs to understand both the data used to develop the model and the data problems that are often encountered using it.

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







Flashcard 4494568852748

Question
A claims triage model predicts which claims will be more (a) to handle and may therefore require more-experienced or more-skilled (b) representatives.
Answer
A claims triage model predicts which claims will be more complex to handle and may therefore require more-experienced or more-skilled claims representatives.

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







Flashcard 4494571474188

Question

A primary concern involves the laws and regulations regarding data privacy and the related rights of the claimant. As with time-mismatch challenges, the data scientist must take into account not only what is available to build the model but also what will be available when a claims professional is actually using the model.

this describes a concern in this process

Answer
claims fraud modeling

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







Flashcard 4494573571340

Question
identifying those that have previously been involved with fraudulent claims is a concern with this process.
Answer
claims fraud modeling

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







Flashcard 4494575668492

Question
Often, the (a) in a claim (velocity) and the (b) of those changes (accelerataion) are as important to next-best-action models as the (c) of the claim at any given time (mass).
Answer
Often, the number of changes in a claim (velocity) and the rate of those changes (accelerataion) are as important to next-best-action models as the characteristics of the claim at any given time (mass).

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







Flashcard 4494577765644

Question
To use data from claims notes, the data scientist must first convert text to (a) data, then ensure that the data quality is (b) for its intended use.
Answer
To use data from claims notes, the data scientist must first convert text to structured data, then ensure that the data quality is sufficient for its intended use.

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







Flashcard 4494579862796

Question
In model performance evaluation, a model’s correct predictions divided by its total predictions.
Answer
Accuracy

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







Flashcard 4494581959948

Question
In model performance evaluation, a model’s correct positive predic- tions divided by its total positive predictions.
Answer
Precision

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







Flashcard 4494584057100

Question
In model performance evaluation, a model’s correct positive pre- dictions divided by the sum of its correct positive predictions and incorrect negative predictions.
Answer
Recall

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







Flashcard 4494586154252

Question
In statistics, the measure that combines precision and recall and is the harmonic mean of precision and recall.
Answer
F-score

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







Flashcard 4494588251404

Question
A ratio that measures losses and loss adjustment expenses against earned premiums and that reflects the percentage of premiums being consumed by losses.
Answer
Loss ratio

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