Learn what analysis of variance (ANOVA) is, how it works, and when to use it. See how it helps compare means across multiple data groups in statistics and research.

One of the usual assumptions for the GLM procedure is that the underlying errors are all uncorrelated with homogeneous variances. You can test this assumption in PROC GLM by using the HOVTEST option ...

Meta-analysis is a commonly used approach to increase the sample size for genome-wide association searches when individual studies are otherwise underpowered. Here, we present a meta-analysis ...

Researchers compared pregnancy outcomes between women who stopped smoking in early pregnancy and those who either did not smoke or continued to smoke in pregnancy. A prospective cohort study was ...

Here we are going to explore basic Gap Analysis in R. It shows different types of graphical gap analysis and concludes with the t-test. Recall that the task is to determine whether there is a ...

Abstract: We propose a novel algorithm for testing the hypothesis of nonstationarity in complex-valued signals. The implementation uses both the bootstrap and the Fast Fourier Transform such that the ...