Understanding Variance-Covariance Matrices by Group in R: A Comprehensive Guide

Combining and Ranking Rows with Columns from Two Matrices in R: A Step-by-Step Solution

Deleting Columns and Rows from a Kinship Matrix in R Using dimnames and Subset Methods

Making Reactivity Work in Shiny Plotly Output Dimensions: A Guide to Solving Common Issues

Using vctrs in Rational Matrices: A Comprehensive Guide to Working with Fractions in R

Customizing Outer and Vectorized Functions for Efficient Computation in R.

Creating a New Matrix in R Using Old Matrix Values as Exponents

Converting Text Corpora to Term Document Matrices with R: A Step-by-Step Guide

Understanding Contamination Between Cells in a Grid: A Step-by-Step Analysis Using R

Creating Repeated Rows in a Matrix: A Step-by-Step Guide