# on 28-Jul-2022 (Thu)

#### Flashcard 7074659306764

Tags
#causality #has-images #statistics

Question
This non-causal association flows along the [...(which variables?)] path
𝑇 ← 𝑋 → 𝑌

status measured difficulty not learned 37% [default] 0

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#### Flashcard 7107900476684

Tags
#causality #has-images #statistics

Question
Consider the following general kind of path, where → · · · → denotes a directed path: 𝑇 → · · · → 𝑍 ← · · · ← 𝑌 . Conditioning on 𝑍 , or any [...] of 𝑍 in a path like this, will induce collider bias
descendant

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Consider the following general kind of path, where → · · · → denotes a directed path: 𝑇 → · · · → 𝑍 ← · · · ← 𝑌 . Conditioning on 𝑍 , or any descendant of 𝑍 in a path like this, will induce collider bias

#### Original toplevel document (pdf)

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#### Flashcard 7107902311692

Tags
#DAG #causal #edx
Question
Today we will focus on confounding in a setting with no [...] bias, with no measurement error, and with such a large population that we do not need to worry about chance variability
selection

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#### Parent (intermediate) annotation

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Today we will focus on confounding in a setting with no selection bias, with no measurement error, and with such a large population that we do not need to worry about chance variability

#### Original toplevel document (pdf)

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#### Annotation 7107904146700

 Recommendations for Avoiding Dependency Conflicts with Conda There are two simple rules to follow: Always create a new environment for each project Install all the packages that you need in the new environment at the same time
rmine the Current Environment with Conda The current or active environment is shown in parentheses () or brackets [] at the beginning of the Anaconda Prompt or terminal: (<current_env>) $<span>Recommendations for Avoiding Dependency Conflicts with Conda There are two simple rules to follow: Always create a new environment for each project Install all the packages that you need in the new environment at the same time. Installing packages one at a time can lead to dependency conflicts. To create an environment with a specific version of Python and multiple packages including a package with a specific version:$ conda create -n <env_name> python=<version#> <packagename> <packagename> <packagename>=<version#> Alternatively, you can use conda to install all the packages in a requirements.txt file. You can save a requirements.txt file from an existing environment, or manually create a new requirements.txt for a different environment. To create a conda requirements.txt file from an existing environment: Activate your project environment. See section above entitled “How to Activate an Environment with Conda” for detai