Introduction to Data Cleaning in R

Data Science with R Programming 6 min min read Updated: Mar 07, 2026 Beginner
Introduction to Data Cleaning in R
Beginner Topic 1 of 10

What is Data Cleaning?

Data cleaning is the process of identifying and correcting errors in datasets. In real-world data science projects, datasets often contain missing values, duplicates, and inconsistencies that must be fixed before analysis.

Why Data Cleaning Matters

  • Improves data accuracy
  • Enhances model performance
  • Removes duplicate records
  • Handles missing values
r data <- data.frame( name=c("John","Alice",NA), age=c(25,30,28) )

Next Tutorial: Handling Missing Values

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