Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.
"If we use a distribution that is different from the true one, then we mustnecessarily have a less efficient coding, and on average the additional informationthat must be...
Asked on 12/13/2021 by delta-divine
1 answerWhen I use predict.lda in R (MASS package) which discriminant function does the software choose? Say, I have 4 classes and 3 discriminant functions, does the software always use the...
Asked on 12/13/2021 by sendilab
1 answerI am trying to build a model where I want to measure the accuracy with which supervisors can predict the outcome of test taker's scores. For example, supervisors rate test...
Asked on 12/13/2021 by Romsch
1 answerDoes anyone know if there is an analytical solution for the (circular) variance of a mixture of Von Mises distributions that all have equal (circular) mean? Simulation results suggest that...
Asked on 12/13/2021 by Ronald van den Berg
0 answerI have 40 univariate Time series which I am clustering with tslearn. To determine a reasonable amount of clusters, I use the silhouette coefficient. However, I noticed that it is...
Asked on 12/13/2021 by bk_
0 answerCould someone explain the main pruning techniques for decision trees. So something like the 3 most common techniques with a short explanation of how they work. I have looked online...
Asked on 12/13/2021
1 answerMost examples for Gaussian Mixture Models (GMMs) employ datasets with fairly obvious underlying structure (well-separated clusters). How should one determine the order of a GMM (and interpret the result) when...
Asked on 12/13/2021 by antifrax
1 answerI have a dataset in which I assign descriptive-statistical data of the geographical zone to each person of the dataset (obviously, the person belongs to that specific zone). For example,...
Asked on 12/11/2021
0 answerUnder which conditions should we expect the difference-in-difference estimate to be equal to the equivalent panel data model? Strictly speaking, whenever we have a experiment that offers a well...
Asked on 12/11/2021 by user30474
1 answerI probably don't have a clear understanding of the Simpson's paradox. Informally I know that the average of response Y1, grouped over all possible levels of factor...
Asked on 12/11/2021
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