Useful tips for everyday
How does test statistic relate to p-value? The p-value, or probability value, tells you how likely it is that your data could have occurred under…
What does a factorial ANOVA test tell you? Factorial analysis of variance (ANOVA) is a statistical procedure that allows researchers to explore the influence of…
What does it mean to fail to reject the alternative hypothesis? Failing to reject the null indicates that our sample did not provide sufficient evidence…
Is chi-square variance? The chi-square test for variance is a non-parametric statistical procedure with a chi-square-distributed test statistic that is used for determining whether the…
What is P in cross-validation? Leave p-out cross-validation (LpOCV) is an exhaustive cross-validation technique, that involves using p-observation as validation data, and remaining data is…
How to calculate correlation within and among time series? Autocorrelation is the correlation of a variable with itself at differing time lags. Recall from lecture…
What is exploratory factor analysis with example? Exploratory Factor Analysis (EFA) seeks to uncover the underlying structure of a relatively large set of variables. The…
What do you need to know about classification accuracy? Classification accuracy is a metric that summarizes the performance of a classification model as the number…
How do I report a pairwise t-test? You will want to include three main things about the Paired Samples T-Test when communicating results to others.…
Are coins fair? If the coin is tossed and caught, it has about a 51% chance of landing on the same face from which it…