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59 posts

Type I Error in R

Last Updated: 25 July 2025

A Type I error occurs when we reject a true null hypothesis. In simpler terms, it means detecting an effect or difference that doesn’t actually exist. This kind of false p...read more

AI-ML-DS With R

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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Machine Learning

R Machine Learning

AI-ML-DS With R

Data Science Blogathon 2024

as.numeric() Function in R

Last Updated: 24 July 2025

The as.numeric() function in R programming language is used to convert an object into a numeric type. It is commonly used when data is in character or factor format but ne...read more

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Compute Summary Statistics In R

Last Updated: 25 July 2025

Summary statistics are values that describe and simplify a dataset. They include measures like mean, median, mode, range, standard deviation and variance. These values hel...read more

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AI-ML-DS With R

Reshaping data.frame from wide to long format in R

Last Updated: 22 July 2025

Reshaping a data frame from wide to long format in R Programming Language is a common operation when dealing with data analysis and visualization. The process involves con...read more

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AI-ML-DS With R

dplyr Full Join in R

Last Updated: 24 July 2025

The dplyr package in R programming language provides functions to combine datasets using various types of joins. A full join includes all rows from both data frames, addin...read more

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AI-ML-DS With R

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

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R DataFrame-Function

AI-ML-DS With R

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

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AI-ML-DS With R

Systematic Sampling in R

Last Updated: 29 July 2025

Systematic sampling is a statistical sampling method where elements from a larger population are selected at regular intervals with a fixed sampling interval. The process ...read more

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Dev Scripter 2024

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

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AI-ML-DS With R

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

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AI-ML-DS With R

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

AI-ML-DS With R

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

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R DataFrame-Function

AI-ML-DS With R

Stratified Sampling in R

Last Updated: 25 July 2025

Stratified sampling involves splitting a population into different groups based on a common characteristic and then randomly selecting members from each group. This method...read more

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R DataFrame-Function

Dev Scripter 2024

AI-ML-DS With R

Convert Tibble to Data Frame in R

Last Updated: 23 July 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