Creating New Data Frames with Aggregate Function: A Step-by-Step Guide Using Tidyverse for mtcars Dataset

Finding Minimum Cumulative Sums with Different Starting Indices Using Kadane's Algorithm

Regular Expressions in R: Mastering n-Dashes, m-Dashes, and Parentheses

Filling Missing Values with Repeated Values in R Using dplyr and tidyr

Understanding R Formula Syntax: A Comprehensive Guide to Creating Formulas with Arguments

Using testthat and Travis CI for Authorized API Calls in R Packages

Selecting All Values of a Variable for Which There Is Data for Every Year in R

Counting Matching Values in a Data Frame Based on Row Name Using Various Approaches

Benchmarking Solutions for Finding Common Elements Between Two Lists: Efficiency Comparison

Estimating Lag Between Time Series Data in R for COVID-19 Vaccine Doses Administered