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Unanswered Questions

7 questions with no upvoted or accepted answers
12 votes
0 answers
2k views

Canonical duplicate for "Why do predictions vary less than observations?"

Two recent questions: Regression - variance of predictions much lower than variance of target, which I voted to close as a duplicate of Regression predictions show far less variance than expected I ...
11 votes
0 answers
144 views

Do we have a canonical Q&A for deriving KL divergence for two Gaussians?

The question of deriving the KL divergence of two Gaussians appears frequently. It arises especially often in the context of variational auto-encoders, because the essential paper on the topic by ...
10 votes
0 answers
232 views

How many questions about cross-validation do we honestly need?

We have a wealth of questions about cross-validation, such as Cross-validation including training, validation, and testing. Why do we need three subsets? What is the difference between test set and ...
9 votes
0 answers
112 views

Please help again with review queues, even if they are short!

Again posts can linger for too long (days) in the review queues without resolution. Now not because the queues are long, they are short so people forgot to visit them. See my former question long ...
8 votes
0 answers
150 views

Two good questions (with good answers) about fitting after cross validation: to which should we point the dupes?

These two questions answer are very similar, and each has a good, highly upvoted, accepted answer: How to choose a predictive model after k-fold cross-validation?, and Training with the full dataset ...
5 votes
0 answers
55 views

Duplicates? Where should I put my question?

I asked a question about Neural Networks in the Signal Processing site Question However now, checking the different sites I wonder if this is more on topic in Cross Validated? And second, What is ...
1 vote
0 answers
59 views

If I didn't get an answer about statistics on math.stackexachange should I post duplicate on stats.stack?

I asked a question on math.stackexchange.com and I didn't receive any answer. Can I post it on stats.stackexchange? The question is from category statistics, numerics and algorithms.