Greetings from Stack Exchange HQ! We have been assigned to evaluate Cross Validated and recommend some methods for making it even better. Please note that this is a more hands-on evaluation, and is not related to the Community Quality Evaluations already done on sites. This is a distinct evaluati...
Has anyone else noticed that we are 5th from bottom with an answer rate of only 76%? On the one hand there are some questions that appear "answered" in the comments, like this one: Is the percent of total deviance explained a useful model summary? These should probably try be tidies up and "an...
Related discussion on Meta.SO. Is there some kind of way that comments that are infact answers to questions be moved from a comment section into the answer section? Ideally the user who asks the question should be able to do this or a mod. This would possibly decrease the number of unanswered q...
Dropping a zero is usually not a good idea unless the dataset is so large that losing an extreme value will make no difference in the analysis. Treating it as very small is good, but then the result can be sensitive to the value chosen. One could check for that in various ways. A more formal appr...
What are the benefits of specifying a covariance structure in a GLM (rather than treating all off-diagonal entries in the covariance matrix as zero)? Aside from reflecting what one knows of the data, does it improve goodness of fit? improve predictive accuracy on held-out data? allow us to est...
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