How to Identify Outliers, The Grubbs’ Technique is a statistical test that may be used to detect outliers in a dataset. A dataset should be generally normally distributed and have at least 7 observations to use this test. This article show...

Ogive curve in R, It is a graph plotted for the variate values and their corresponding cumulative frequencies of a frequency distribution. The sum of all preceding frequencies up to this point is referred to as cumulative frequency. Its shape is...

Binomial Distribution in R, Binomial distribution was invented by  James Bernoulli which was posthumously published in 1713. Let n ( finite) Bernoulli trials be conducted with probability “p” of success and “q” of a failure. The probability of x...

Adding text labels to ggplot2, Is it possible to add text labels to a bar chart in a simple way? Yes, In this article, you’ll learn how to add a frequency count to each bar in a bar chart. First, let’s make a data frame. Animated ...

We want to determine the mean and standard deviation of ungrouped data in practically all circumstances. However, how can you do that with grouped data? Grouped Data Mean and Standard Deviation Let’s look at an example of how to compute me...