Category: R

Part 1: What is a For Loop? A for loop is a control structure that repeats a block of code for each element in a sequence or collection. It’s called a “for” loop because it runs...

Part 1: What is a While Loop? A while loop repeatedly executes a block of code as long as a specified condition remains TRUE. Once the condition becomes FALSE, the loop stops and the program continues...

Part 1: The Core Operators – What They Are In R, we have two main types of logical operators: element-wise and single-value operators. Let’s start with the basics. The AND Operators & (Element-wise AND) – Compares each corresponding element of...

Part 1: What Are Nested If Statements? A nested if statement is simply an if statement placed inside another if statement. It allows you to test multiple conditions in a hierarchical way, where the inner condition is only evaluated if...

if … else This is how you tell the computer: “If this condition is true → do this, otherwise → do that.” It’s used everywhere: Decide whether to show a warning Apply different calculations...

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...

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...

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...

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 ”...

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...