Data Manipulation and Transformation Tutorials

R Data Frames - Complete Guide

Feb 9, 2026
R-PROGRAMMING

Data frames are absolutely central to R programming. In my work analyzing real datasets, I’d say I spend 80% of...

13 min Read

R Data Transformation - Ultimate Guide

Feb 9, 2026
R-PROGRAMMING

Data transformation is one of the most critical skills you’ll develop as an R programmer. In my experience working with...

11 min Read

R Matrices & Linear Algebra - Complete Guide

Feb 9, 2026
R-PROGRAMMING

Matrices are the backbone of statistical computing. Whether you’re aware of it or not, every time you fit a linear...

11 min Read

R Regular Expressions - Complete Guide

Feb 9, 2026
R-PROGRAMMING

Regular expressions (regex) are one of those skills that seem intimidating at first, but once they click, they’ll save you...

8 min Read

How to Calculate Expected Value in R

Feb 9, 2026
R-PROGRAMMING

Expected value is the average outcome you’d expect from a random process. It’s crucial in statistics, probability, finance, and decision-making....

3 min Read

How to Find the Antilog of Values in R

Feb 9, 2026
R-PROGRAMMING

The antilog (or inverse logarithm) is the process of finding the original value from its logarithmic representation. If you have...

2 min Read

How to Use diff Function in R

Feb 9, 2026
R-PROGRAMMING

The diff() function calculates differences between consecutive elements in a vector or time series. It’s essential for time series analysis;I...

2 min Read

How to Use the assign() Function in R

Feb 9, 2026
R-PROGRAMMING

The assign() function creates variables programmatically;useful when you don’t know the variable name until runtime. Most of the time, you’d...

3 min Read

How to Use the cat() Function in R to Concatenate Objects

Feb 9, 2026
R-PROGRAMMING

The cat() function concatenates and prints objects to the console or file. It’s commonly used for creating formatted output, printing...

3 min Read

How to Use the dist Function in R

Feb 9, 2026
R-PROGRAMMING

The dist() function calculates distances between observations (rows) in a dataset. It’s fundamental for clustering, multivariate analysis, and exploratory data...

2 min Read

How to Use the identical() Function in R

Feb 9, 2026
R-PROGRAMMING

The identical() function performs a strict equality test;it checks if two objects are exactly the same in every way. Unlike...

4 min Read

How to Calculate Quantiles by Group in R

Apr 26, 2024
R-PROGRAMMING

Calculating quantiles by group is crucial for understanding data distribution within subgroups. Instead of a single quartile for your entire...

3 min Read