Category: R

Clustering Example Step-by-Step Methods in R

Clustering Example Step-by-Step Methods in R, This post will walk you through a k-means clustering example and provide a step-by-step method for conducting a cluster analysis on a real data set using R software....

Interactive 3d plot in R-Quick Guide

Interactive 3d plot in R, This R lesson shows how to create dynamic 3d graphics with R and the scatter3d function from the package car. The rgl package is used by the scatter3d() function...

How to create a marginal plot in R?

How to create a marginal plot in R?, A scatterplot with histograms, boxplots, or dot plots in the x- and y-axes is known as a marginal plot. It enables the investigation of the relationship...

How to Perform a Log Rank Test in 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

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...

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