Transforming Comma-Separated Values in a Cell into Multiple Rows with Same Row Name Using R's Tidyr Package

Removing Empty Character Items from a Corpus in R for Text Processing and Topic Modeling

Calculating Expression Frequency with R and Tidyverse: A Simple Solution to Analyze Genomic Data

Calculating Mean of a Column Based on Grouped Values in Other Columns in a Data Frame Using Dplyr and Aggregate Functions

Creating Three Time Series Plots in Two Faceted Grids Using ggplot in R

Extracting First Non-NA Value for Each Group and Column in R Data.tables

Understanding the SSL Certificate Problem: Unable to Get Local Issuer Certificate in Ubuntu 16.04

Resolving the Flexdashboard Error with Pandoc: A Step-by-Step Guide

Counting Character Frequencies with R's Factor Function

Using get() for Dynamic Variable Access in dplyr Filter Functions