Blog – Gutama Girja Urago

How to use stop(), warning(), message(), try() and tryCatch() so R functions fail with clear messages and recover when they can.

What a function is, how to write one, and when it pays off, with step-by-step examples for summary statistics and grouped summaries.

Import Ethiopia’s GDP table from Worldometers into R with rvest, clean it with janitor and readr, and plot it with ggplot2.

Build a reusable {gt} table theme step by step: header, row striping, spanners and column labels, then wrap it all in one function.