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# Hypothesis Tests in R

• ## How to Calculate Standard Deviation of Rows in R

You can use the following basic syntax to calculate the standard deviation of rows in R: row_stdev rm=TRUE) The following example shows…

• ## How to Perform a Variance Ratio Test in R (With Example)

A variance ratio test is used to test whether or not two population variances are equal. This test uses the following null…

• ## How to Perform a Two Sample T-Test in R

A two sample t-test is used to test whether or not the means of two populations are equal. You can use the…

• ## How to Perform a One Sample T-Test in R

A one sample t-test is used to determine whether or not the mean of a population is equal to some value. You…

• ## How to Calculate Gini Coefficient in R (With Example)

Named after Italian statistician Corrado Gini, the Gini coefficient is a way to measure the income distribution of a population. The value…

• ## How to Perform a Kruskal-Wallis Test in R

A Kruskal-Wallis Test is used to determine whether or not there is a statistically significant difference between the medians of three or…

• ## How to Perform a KPSS Test in R (Including Example)

A KPSS test can be used to determine if a time series is trend stationary. This test uses the following null and…

• ## How to Perform a Wald Test in R

A Wald test can be used to test if one or more parameters in a model are equal to certain values. This…

• ## How to Test for Normality in R (4 Methods)

Many statistical tests make the assumption that datasets are normally distributed. There are four common ways to check this assumption in R:…

• ## How to Perform One Sample & Two Sample Z-Tests in R

You can use the z.test() function from the BSDA package to perform one sample and two sample z-tests in R. This function…