Evaluating Patterns in Strings with R's str_detect and ifelse

Survival Analysis with Time-Dependent Input Data

Fixing Color Blending Issues in ggplot2 Using `scale_fill_stepsn`

Using R6 Classes to Dynamically Assign Functions: Workarounds and Best Practices

Understanding Valgrind for Memory Debugging in RInside Programs

Understanding Dynamic Regression and Lagged Independent Variables for Accurate Bitcoin Log Return Forecasts

Reprojecting Raster Data for Geospatial Analysis: A Step-by-Step Guide

How to Calculate Rolling Sums in a Column Using Cumulative Values from Other Columns in R's data.table Package

How to Create Weighted Pie Charts with ggplot2

Handling Missing Values in R: A Comprehensive Guide to Handling Missing Values in Data Frames