Is it OK to sample based on the DV?
66215
Training a decision tree against unbalanced data
110927
Can non-random samples be analyzed using standard statistical tests?
42884
Kolmogorov-Smirnov two-sample $p$-values
28356
Rules of thumb for minimum sample size for multiple regression
53988
How to compute sample variance?
140457
Test for IID sampling
56193
How does one go about determining the standard deviation of an entire sample data set?
36477
Is there any required amount of variance captured by PCA in order to do later analyses?
69171
Test batch on data volume greater than 200
11226
Can a probability distribution value exceeding 1 be OK?
86570
Sample size for logistic regression?
32023
What have to be normally distributed: groups or whole sample?
136886
Large sample asymptotic/theory - Why to care about?
156981
Generating data with a given sample covariance matrix
52894
How to test if these two samples are from the same distribution?
4880
H to check if proportions in two small samples are the same
158388
Sampling error with weighted mean