R Matrix

How-tos How to Multiply Matrix in R Learn how to multiply matrices in R with this comprehensive tutorial. Explore various methods including the %*% operator, crossprod(), and tcrossprod(). Enhance your R programming … ↗ How-tos How to Create Empty Matrix in R This tutorial demonstrates the way to create an empty matrix in R. ↗ How-tos How to Add a Calculated Column to a Matrix in R This article shows how to combine two matrices, or a matrix and a vector. It also shows how to add a calculated column such as a row sum or mean to an existing matrix. ↗ How-tos How to Visualize Confusion Matrix Using Caret Package in R This article introduces how to visualize confusion matrix using caret package in R ↗ How-tos How to Normalize the Values in Matrix R This article demonstrates how to add a line to normalize the values in matrix R ↗ How-tos How to Find the Null Space of a Matrix in R This article shows how to find the null space of a matrix in R using the nullspace function of the pracma package. ↗ How-tos How to Create and Visualize a Correlation Matrix in R This article first shows how to prepare data to create a correlation matrix in R. It then demonstrates the use of the cor() function to create a correlation matrix, and the … ↗ How-tos How to Inverse a Matrix in R This tutorial demonstrates how to find the inverse of a matrix in R. ↗ How-tos How to Use the %*% Operator in R With simple examples, this article illustrates how to use the %*% operator in R to multiply two conformable matrices or to get the dot product of vectors of equal length. ↗ How-tos How to Create a Random Matrix With Constant Row Sums in R In this article, we will see how to create a matrix with randomly chosen non-negative values in each row such that the row sum is constant for all rows. ↗