Shiny App Upload and Download Data Dynamically Using Regular Expressions for Filtering Rows

Merging Two Dataframes Based on Multiple Keys in R and Python

Here is a revised version of the code with improved formatting and documentation:

Working with Long Numbers in R: A Solution with Rmpfr

Converting Factors in R DataFrames to Numeric Values Using `as.numeric(levels(f))[f]`

Understanding NA Values in R DataFrames: Handling Missing Data for Better Insights

Printing R Help File Vignette as Output in an R HTML Notebook

Improving Code Readability with Unquoting in R: A Deep Dive into the `!!` Operator and Beyond

Creating Non-Overlapping Edges in igraph Plot with ggraph in R

Replacing Values in DataFrames Using Conditional Statements, Substrings, and Regular Expressions in R for Efficient Data Analysis