Category: R

How to compare variances in R

How to compare variances in R?, The F-test is used to see if two populations (A and B) have the same variances. When should the F-test be used? A comparison of two variations is...

with() and within() Functions in R

with() and within() Functions in R, To evaluate an expression depending on a data frame, use R’s with() and inside() functions. The syntax for these functions is as follows: with(data, expression) within(data, expression) where:...

Two Sample Proportions test in R-Complete Guide

Two Sample Proportions test in R, To compare two observed proportions, the two-proportions z-test is utilized. This article explains the fundamentals of the two-proportions *z-test and gives practical examples using R software. We have...

Calculate the p-Value from Z-Score in R

Calculate the p-Value from Z-Score in R, In statistics, we frequently want to know the p-value associated with a specific z-score obtained from a hypothesis test. We can reject the null hypothesis of our...

One sample proportion test in R-Complete Guide

One sample proportion test in R, when there are just two categories, the one proportion Z-test is used to compare an observed proportion to a theoretical one. This article explains the fundamentals of the...