Category: R

 How to Perform a Log Rank Test in R, The most frequent technique to compare survival curves between two groups is to use a log-rank test. The following hypotheses are used in this test...

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...

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 Chi-Square Statistic in R, You’ll get a Chi-Square test statistic every time you run a Chi-Square test. The p-value associated with this test statistic can then be used to assess...

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, 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...

How to add labels at the end of each line in ggplot2?, Using the ggplot2 R library, this article shows how to display the last value of each line as a label. Using either...

Error in sum(List) : invalid ‘type’ (list) of argument, You’ll learn how to fix the “Error in FUN: invalid ‘type’ (list) of argument” in this R lesson. Example Data Creation The following list will...

Sorting in r, The methods sort(), order(), and rank() in R are used to sort data in this article (). Sorting in r The tutorial uses six examples to demonstrate how to use the...