Author: web-admin

R Concatenate Elements” — one of the most frequently used (and sometimes confusing) operations in R. Concatenate simply means joining / sticking things together, usually strings (text), but also numbers or other elements, to...

R Multiple variables This topic can mean slightly different things depending on context, so I’ll cover both interpretations that beginners usually have in mind: Having / managing many different variables in a real script...

R Variable Names (also called object names or identifiers). Naming variables well is one of the most important skills in R — even more than knowing fancy functions. Bad names make code hard to...

R Data Types (also called data modes, atomic types, or basic object types). This is super important because almost everything in R revolves around how data is stored and what you can do with...

R Numbers — basically everything you need to know about how R handles numeric values (numbers). In R, “numbers” are not just one thing. There are two main kinds of numbers, plus special values like...

R Math (mathematical functions and operations in R). R was literally designed for mathematics and statistics, so its math support is excellent — fast, vectorized (works on whole vectors at once), and packed with...

1. What is a String in R? (Simple Definition) A string (or character vector element) is just text data — anything inside quotation marks. In R: Single quotes ‘ ‘ or double quotes ”...

1. What is an Escape Character in R? An escape character is a special combination that starts with a backslash \ inside a string. The backslash tells R: “The next character is not normal...

R: Booleans / Logical Values. These are the yes/no, true/false values that control almost everything in data analysis: Which rows to keep or remove Which calculations to perform Which points to color red in...

R Operators — the symbols and keywords that let you do calculations, comparisons, assignments, logical decisions, and more. Operators are the “verbs” and “connectors” of the language. I’ll explain this like we’re sitting together...