Estimating Average Treatment Effect on the Treated (ATT) Using R's Match Function with Propensity Score as Distance

Here is a complete code snippet that combines all the interleaved code you wrote in a nice executable codeblock:

Fixing renderDataTable Issue with Unique Button IDs in Shiny Apps

Efficiently Processing Multiple Files in R: A Case Study on Vectorized Operations and Error Resolution

Summing the Number of Different Columns Apart from the Name Column in Data Frames Using Map Function in R

Sorting Data Frames for Efficient Insights with dplyr in R

Creating New Columns with Conditional Values Based on Grouped Column Data in R

Customizing Histograms with Rug Plots in ggplot2: A Step-by-Step Guide

Reordering Factors Based on Conditional Data in R: A Step-by-Step Guide

How to Handle Numeric Variables Within Loops in R Without Variable Scope Issues