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Some o the contents of the Book

• Common Pitfalls and Oddities
• Drop data frames
• Losing row names
• apply function returning a vector
• Empty cells in tapply
• Arithmetic that mixes matrices and vectors
• Single subscript of a data frame or array
• Non-numeric argument
• round rounds to even
• Creating empty lists
• List subscripting
• NULL or delete
• Disappearing components
• Combining lists
• Disappearing loop
• Limited iteration
• Too much iteration
• Wrong iterate
• Wrong iterate (encore)
• Wrong iterate (yet again)
• Iterate is sacrosanct
• Wrong sequence
• Empty string
• NA the string
• Capitalization
• Scoping
• Scoping (encore)
• Chimeras
• Numeric to factor to numeric
• cat factor
• Numeric to factor accidentally
• Dropping factor levels
• Combining levels
• Do not subscript with factors
• No go for factors in ifelse
• No c for factors
• Ordering in ordered
• Labels and excluded levels
• Is missing missing or missing?
• Data frame to character
• Nonexistent value in subscript
• Missing value in subscript
• All missing subscripts
• Missing value in if
• and and andand
• equal and equalequal
• is.integer

Book Description

“The R Inferno” by Patrick Burns is more than just another programming manual. It’s a quirky, insightful journey through the common mistakes that haunt R users. Burns has a knack for making even the most frustrating bugs seem like old friends. You’ll get practical solutions wrapped in wit, which makes learning less painful and way more memorable. If you’re tired of dry technical books, this one’s your antidote.

Book Overview

Ever found yourself staring at an error message in R and wondering if the language is out to get you? You’re not alone. “The R Inferno” dives deep into these moments of confusion and frustration. Organized into ‘circles of hell’, each chapter tackles a specific category of common R mishaps. From scoping headaches to indexing blunders, Burns lays out clear explanations and fixes. The tone is light-hearted but the advice is deadly seriousand genuinely useful.

Why Read This Book

If you’ve ever wanted to throw your computer out the window while coding in R, this book’s for you. Burns doesn’t sugarcoat the tricky parts of R; instead, he walks you through them with humor and honesty. It’s rare to find a programming book that makes you laugh out loud while teaching you something valuable. Plus, it’s loaded with examples that actually make sense in the real world. For those interested in exploring other unique programming environments, you might enjoy Inferno Programming With Limbo, which takes a different but equally fascinating approach to programming challenges.

Who This Book Is For

This book is perfect for anyone who’s serious about mastering Respecially if you’ve been bitten by its quirks before. Newbies will appreciate the friendly tone and practical tips. Seasoned programmers will nod along as they recognize their own past mistakes (don’t worry, we’ve all been there). If you love learning through stories and examples instead of dry theory, you’ll fit right in here. And honestly, who doesn’t want to avoid spending hours debugging mysterious errors?

What You Will Learn

• How to recognize and fix the most common R errors
• Best practices for writing robust R code
• The logic behind tricky language features like scoping and indexing
• Tips for debugging without losing your sanity
• How to read error messages like a pro (yes, it’s possible!)
• Why some bugs keep coming backand how to send them packing
• Where to find more resources for advancing your skills in both traditional and unconventional programming landscapes

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