Understanding How to Ignore System Files when Listing Files with R's list.files Function

Using R Notebooks to Create Package Vignettes: A Guide to Interactive Documentation in R Packages

Understanding Heatmaps: A Deeper Dive into Margins and Plotting Strategies

Understanding How to Display Greek Symbols Correctly in ggplot2 Legends

Finding the Median of a Discrete Random Variable in R: A Step-by-Step Guide

Understanding Loops When Creating DataFrames in R Studio: Best Practices for Efficient Data Creation

Converting a String Object to a Data Frame in R: A Step-by-Step Guide

Extracting Files from COES.org.pe Dataset Using Rvest Web Scraping Tool

Here's a complete solution for your problem:

Filtering Dataframe Based on Number of Observations Per Year and Town in R: A Step-by-Step Guide