query: Welch t-test: Exactly when should it be used?
positive_passages.docid: 125189
positive_passages.text: When conducting a t-test why would one prefer to assume (or test for) equal variances rather than always use a Welch approximation of the df?
negative_passages.docid: 1637
negative_passages.text: R : use of t.test function in data frame or matrix
negative_passages.docid: 4677
negative_passages.text: What is the meaning of p values and t values in statistical tests?
negative_passages.docid: 27706
negative_passages.text: Explaining two-tailed tests
negative_passages.docid: 131892
negative_passages.text: How do you tell if you should use a one-tailed test or a two-tailed test in a t-test?
negative_passages.docid: 47473
negative_passages.text: Why is it bad practice to test for item names?
negative_passages.docid: 14170
negative_passages.text: Do we need a global test before post hoc tests?
negative_passages.docid: 113890
negative_passages.text: What is the difference between these two Breusch-Pagan Tests?
negative_passages.docid: 129608
negative_passages.text: Question on the choice of boundary in the CUSUM test when we make some resampling
negative_passages.docid: 120109
negative_passages.text: Equivalent to Welch's t-test in GLS framework
negative_passages.docid: 110655
negative_passages.text: Appropriate statistical analysis to use
negative_passages.docid: 75331
negative_passages.text: test of seasonality
negative_passages.docid: 62738
negative_passages.text: How to perform two-sample t-tests in R by inputting sample statistics rather than the raw data?
negative_passages.docid: 24148
negative_passages.text: Significance tests
negative_passages.docid: 90637
negative_passages.text: How to derive test statistic under composite null hypothesis?
negative_passages.docid: 74477
negative_passages.text: T-test for non normal when N>50?
negative_passages.docid: 144946
negative_passages.text: What does the Java assert keyword do, and when should it be used?