Variance

Creator
Creator
Seonglae ChoSeonglae Cho
Created
Created
2023 Mar 7 2:37
Editor
Edited
Edited
2025 Mar 24 12:39

The second moment about the mean

Spurious Pattern Comes from randomness of dataset

Variance captures how the random nature of the finite dataset not family of model; It captures how much a model changes if we train on a different training set. i.e. the sensitivity of the model to the randomness in the dataset.

Addition rule

 
 
 
 
 
 

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