Category: R

How to perform the Sobel test in R, This tutorial will show you how to perform a Sobel test in R. The Sobel test is used to see if a variable carries (or mediates)...

Chi-square goodness of fit formula, To see if a categorical variable follows a hypothesized distribution, a Chi-Square Goodness of Fit Test is utilized. This lesson will show you how to use R to run...

Trimmed Mean in R, A trimmed mean is a dataset’s mean that has been determined after deleting a certain percentage of the dataset’s smallest and greatest values. In other words, before determining the mean,...

Get and Set working directory in R, Your environment is always pointed to some working location when you use R. To get the working directory and set the working directory in R, use the...

Sample and Population Variance in R, The variance is a metric for determining how dispersed data values are around the mean. Variance is the expectation of a random variable’s squared departure from its mean...

Import CSV Files into R, the contents of a CSV file are stored in a tabular-like style with rows and columns. A delimiter string separates the values of the columns in each row. K...

Scale() Function in R, Scaling is a technique for comparing data that isn’t measured in the same way. The normalizing of a dataset using the mean value and standard deviation is known as scaling....

To find unique values in a column in a data frame, use the unique() function in R. In Exploratory Data Analysis, the unique() function is crucial since it detects and eliminates duplicate values in...

Split data into train and test in r, It is critical to partition the data into training and testing sets when using supervised learning algorithms such as Linear Regression, Random Forest, Naïve Bayes classification,...

Split vector and data frame in R, splitting data into groups depending on factor levels can be done with R’s split() function. Split() is a built-in R function that divides a vector or data...