Hypothesis Tests in R
Hypothesis Tests in R
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 can use the...
Hypothesis Tests in R
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 for the Gini...
Hypothesis Tests in R
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 more independent...
Hypothesis Tests in R
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 alternative hypothesis:
H0: The...
Hypothesis Tests in R
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 test is often...
Hypothesis Tests in R
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:
1. (Visual Method)...
Hypothesis Tests 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 uses the following...
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