A Phi Coefficient (sometimes called a mean square contingency coefficient) is a measure of the association…
Category:
Hypothesis Tests in R
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Cramer’s V is a measure of the strength of association between two nominal variables. It…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Likelihood Ratio Test in R
by Erma Khanby Erma KhanA likelihood ratio test compares the goodness of fit of two nested regression models. A…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Chi-Square Goodness of Fit Test in R
by Erma Khanby Erma KhanA Chi-Square Goodness of Fit Test is used to determine whether or not a categorical variable follows a…
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Hypothesis Tests in RRSoftware Tutorials
Chi-Square Test of Independence in R (With Examples)
by Erma Khanby Erma KhanA Chi-Square Test of Independence is used to determine whether or not there is a…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform Welch’s t-Test in R
by Erma Khanby Erma KhanWelch’s t-test is used to compare the means between two independent groups when it is not…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a Correlation Test in R (With Examples)
by Erma Khanby Erma KhanOne way to quantify the relationship between two variables is to use the Pearson correlation…
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Hypothesis Tests in RRSoftware Tutorials
How to Perform a One Proportion Z-Test in R (With Examples)
by Erma Khanby Erma KhanA one proportion z-test is used to compare an observed proportion to a theoretical one.…
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Hypothesis Tests in RRSoftware Tutorials
Kolmogorov-Smirnov Test in R (With Examples)
by Erma Khanby Erma KhanThe Kolmogorov-Smirnov test is used to test whether or not or not a sample comes…
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An F-test is used to test whether two population variances are equal. The null and alternative hypotheses…