# Tag Info

### Calibrating the probabilities of Ridge Classifier on imbalanced dataset

The problem is that the histogram of probabilities show that there is no separation between the 2 classes, with an almost normally distributed density With an AUROC of 0.76, I think this is expected. ...
• 3,181
1 vote

### Why use a copula to generate synthetic data?

I think the immediate goal of the problem is three-fold 1) to exhibit how a copula might arise when facing a data simulation task, 2) to get you using copula-based tools, and 3) to lead you to ask the ...
• 2,099

### Normalization of conditional probabilities

The answer by @CamilleGontier has pushed me in the right direction: what is implicit in the question (but was not explicitly stated in the OP) is that it should work for an arbitrary vector $p_i$ (as ...
• 1,772

• 264k
Accepted

### Estimating the average building size

Suppose, the number of people living in a random building of the city (chosen uniformly) is $X$ and has probability mass function $P(n)$. Now the number of people living in the building where a random ...

### Determine if a categorical variable occurs at a frequency greater than chance with a boolean outcome

Let's start with the following (sloppy) hypothesis: $H_0$: Drug $A$ has the same probability of being prescribed when a patient has disease $C$ as for any other disease. Let's assume that sufficient ...
• 61
1 vote
Accepted

• 67.4k