GeeksforGeeks

How to Use SMOTE for Imbalanced Data in R

Last Updated: 11 July 2025

SMOTE (Synthetic Minority Over-sampling Technique) is a method used to handle imbalanced data by creating new samples for the minority class. Instead of copying existing ...read more

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R Language

Replace Values Based on Condition in R

Last Updated: 21 July 2025

In R programming language, we can change (replace) certain values in a dataset only when a condition is true. This is called replacing values based on a condition.Method 1...read more

Sum of rows in R based on condition

Last Updated: 21 July 2025

To find the sum of rows in R based on a condition, we select only the rows that match the condition and then use the sum() function to add their values.Method 1: Sum of Ro...read more

Subset Data Frames Using Logical Conditions In R

Last Updated: 21 July 2025

Subset Data Frames Using Logical Conditions in R programming language means selecting specific rows from a data frame where certain logical conditions are true, such as va...read more

Filter Rows Based on Conditions in a DataFrame in R

Last Updated: 21 July 2025

To filter rows in a data frame using R, we can apply conditions directly to the columns. R offers several ways to perform this, depending on whether the condition is singl...read more

Sum of column in R based on condition

Last Updated: 21 July 2025

Sum of Column in R based on condition refers to calculating the total of values in a column after applying specific conditions. This helps in filtering the data before per...read more

Find last occurrence of a data frame in R

Last Updated: 21 July 2025

To find the last occurrence of a row or value in a data frame, R programming language provides built-in functions like tail() and which.max(). These functions help extract...read more

Convert Tibble to Data Frame in R

Last Updated: 28 April 2025

Tibbles are a type of data frame in R Programming Language that has an enhanced print method, making it easier to display data. However, in some situations, we may need to...read more

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R Data-science

How to Rename Multiple Columns in R

Last Updated: 11 July 2025

Renaming columns means changing the existing column names to more meaningful or consistent ones. We often do this to make our data easier to understand, follow naming rule...read more

Data Manipulation in R with Dplyr Package

Last Updated: 15 July 2025

Data manipulation in R involves cleaning, transforming, and organizing data to make it suitable for analysis. It includes tasks like selecting, filtering, sorting, and cre...read more

Merge Time Series in R

Last Updated: 05 November 2021

In this article, we will discuss how to merge time series in the R Programming language.Time Series in R is used to analyze the behaviors of an object over a period of tim...read more

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R Language

R Data-science

Remove Outliers from Data Set in R

Last Updated: 14 September 2021

In this article, we will be looking at the approach to remove the Outliers from the data set using the in-built functions in the R programming language.Outliers are data p...read more

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R Language

R Data-science

How to Extract Time from Datetime in R ?

Last Updated: 16 July 2025

In R, we can extract the time portion (hours, minutes and seconds) from a datetime string using either the format() function or the lubridate package. These methods allow ...read more

Box plot in R using ggplot2

Last Updated: 15 July 2025

A box plot (or box-and-whisker plot) visually summarizes the distribution, central value and spread of a dataset, helping to quickly identify outliers and variability. It ...read more

Identify and Remove Duplicate Data in R

Last Updated: 12 July 2025

A dataset can have duplicate values and to keep it redundancy-free and accurate, duplicate rows need to be identified and removed. In this article, we are going to see how...read more