Skip to main content

Questions tagged [conditional-independence]

The tag has no usage guidance.

1 vote
0 answers
57 views

Conditions Mutual Information and Confounding Effect

Given that conditional mutual information (CMI) I(A,B |C) is the information shared between A, and B given C, does this consider the confounding effect -if any - that C introduces? In other words, ...
 owise's user avatar
  • 165
0 votes
0 answers
444 views

Chi-Squared Statistic to test for conditional independence

How can compute the chi-square statistic between the random variables X and Y given an evidence variable Z? I want to test if X & Y are conditionally independent given Z. Assume all X,Y, Z are ...
Adi's user avatar
  • 1
3 votes
1 answer
652 views

Conditional Independence Example

Is there a canonical example of data which are conditionally independent? In other words, $X_1,\ldots,X_p$ are mutually independent given $Y$. This is the foundational assumption of the naive Bayes ...
jjet's user avatar
  • 1,287
7 votes
0 answers
4k views

Testing for conditional independence: What's the correct way?

My goal is to check if two variables $X$ and $Y$ are conditionally independent given $Z$. For simplicity, let's assume the joint distribution is multivariate normal. In this case, we can compute ...
Vimal's user avatar
  • 1,117
4 votes
1 answer
1k views

Conditional independence: conditioning on an empty set of random variables

Is $X \perp\!\!\!\perp Y$ a conditional independence, arguing that the independence is conditioned on an empty set of random variables? If so, does that mean that an unconditional independence is ...
Franck Dernoncourt's user avatar

15 30 50 per page
1
5 6 7 8
9