The Shapiro-Wilk test is a test of normality. It is used to determine whether or not a…
Hypothesis Tests in R
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Hypothesis Tests in RRSoftware Tutorials
How to Perform Multivariate Normality Tests in R
by Erma Khanby Erma KhanWhen we’d like to test whether or not a single variable is normally distributed, we…
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Runs test is a statistical test that is used to determine whether or not a…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform Mood’s Median Test in R
by Erma Khanby Erma KhanMood’s Median Test is used to compare the medians of two or more independent groups.…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Binomial Test in R
by Erma Khanby Erma KhanA binomial test compares a sample proportion to a hypothesized proportion. The test has the following null…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform the Wilcoxon Signed-Rank Test in R
by Erma Khanby Erma KhanThe Wilcoxon Signed-Rank Test is the non-parametric version of the paired t-test. It is used to test whether…
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Grubbs’ Test is a statistical test that can be used to identify the presence of outliers…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform McNemar’s Test in R
by Erma Khanby Erma KhanMcNemar’s Test is used to determine if there is a statistically significant difference in proportions between…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Mann-Kendall Trend Test in R
by Erma Khanby Erma KhanA Mann-Kendall Trend Test is used to determine whether or not a trend exists in time series…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Mann-Whitney U Test in R
by Erma Khanby Erma KhanA Mann-Whitney U test (sometimes called the Wilcoxon rank-sum test) is used to compare the…