Matching Patterns in DataFrames: A Step-by-Step Guide to Adding New Columns

Creating a Counter Variable in R Grouped by ID that Conditionally Resets

How to Recode Variables in a Loop in R: A Step-by-Step Guide for Data Analysis and Preprocessing

Mastering Dplyr's Aggregation Behavior: A Guide for R Users

Grouping Multicode Question Responses by Month Using R with dplyr and tidyr

Creating Cross-Tables with Filtered Observations in R using dplyr and Base R

Understanding Geom Histograms in ggplot2: Using Proportions Instead of Counts for Data Visualization with R

How to Create a Dataset with Combined Stack Values and Fill Missing Values with Zeroes Using R.

Spreading Columns by Count in R: A Comparative Analysis with dplyr, tidyr, reshape2, and data.table

Optimizing Similarity Matching: A Step-by-Step Guide to Grouping Observations