All Questions
Tagged with conditional-independence self-study
5
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Why implied Conditional Independencies of mediator and confounder are the same?
I am trying to understand why the impliedConditionalIndependencies function of the rethinking package returns the same value for ...
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Directed graphical models and independence (exercise)
Context: this is Ex. 1 in these notes http://www.stat.cmu.edu/~larry/=sml/DAGs.pdf .
The exercise asks to prove that, given a directed graphical model associated to a DAG (directed acyclic graph) $G$:
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Bishop PRML Question 8.10: d-separation [closed]
I have trouble with solving the second part of question 8.10 from Bishop's PRML (attached as image).
I tried several things. Here's my latest attempt:
\begin{align}
p(a, b, d) &= \int p(a)p(b)p(...
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1
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Conditional independence problem for poisson random variables
I have this problem:
Let $X = V + W$ and $Y = V + Z$ where $V, W, Z$ are independent Pois($\lambda$) random variables.
I found that $Cov(X, Y) = Var(V) = \lambda$
It now asks to find whether $X$ ...
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Is the example distribution conditionally independent?
I am studying for my machine learning exam and i have problems with basic conditional probability. I have to solve the following exercise:
The formular for conditionally independence is
$P(Y|x) = \...