Incompatibility Between Training and Test Data in a Logistic Regression Model in R: A Common Error with Solutions

Transforming 2D Data to 3D Arrays for LSTM Models: A Step-by-Step Guide

How to Use Self-Organizing Maps (SOM) for Data Visualization and Clustering

Based on the provided specification, I'll write a complete R function that transforms a tdm matrix into a new matrix with an additional column representing the class of each term.