Data Handling

15 posts

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

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

Pattern Evaluation Methods in Data Mining

Last Updated: 23 July 2025

Pre-requisites: Data MiningIn data mining, pattern evaluation is the process of assessing the quality of discovered patterns. This process is important in order to determi...read more

Data Science

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Data Handling

Feature Scaling Using R

Last Updated: 04 May 2026

Feature scaling is a data preprocessing technique used to adjust the range of numerical variables in a dataset. It ensures that different features are measured on a simila...read more

Types of Association Rules in Data Mining

Last Updated: 23 July 2025

Association rule learning is a machine learning technique used for discovering interesting relationships between variables in large databases. It is designed to detect str...read more

Last Updated: 21 February 2026

Data cleaning is the process of identifying and correcting errors, inconsistencies and inaccuracies in a dataset before analysis. It ensures that the data is reliable, wel...read more

How to Build a AWS Data Pipeline?

Last Updated: 23 July 2025

Amazon Web Services (AWS) is a subsidiary of Amazon offering cloud computing services and APIs to businesses, organizations, and governments. It provides essential infrast...read more

Reduce Data Dimensionality using PCA - Python

Last Updated: 23 July 2025

IntroductionThe advancements in Data Science and Machine Learning have made it possible for us to solve several complex regression and classification problems. However, t...read more

How To Make Violin Plots with ggplot2 in R

Last Updated: 30 April 2026

Violin plots are used to visualize the distribution of numerical data across one or more categories. They are similar to box plots, but instead of only showing summary sta...read more

Data Type Conversion in R

Last Updated: 21 February 2026

Data type conversion in R refers to changing data from one type to another. In R, common data types include numeric, character and logical. Proper type conversion is impor...read more

Identify and Remove Duplicate Data in R

Last Updated: 30 April 2026

Duplicate data is a common issue in real-world datasets, where identical rows or repeated values appear more than once. If not handled properly, duplicates can affect anal...read more

Chance and Probability

Last Updated: 23 July 2025

Chance is defined as the natural occurrence of any event without any interference, we can also say that the possibility of any event is the chance of the event, and mathem...read more

Technical Scripter 2020

Last Updated: 24 October 2025

A pie chart is a popular and visually intuitive tool used in data representation, making complex information easier to understand at a glance. This circular graph divides ...read more

Difference Between Mean, Median, and Mode with Examples

Last Updated: 07 October 2025

In statistics, mean, median, and mode are measures of central tendency that describe the center or typical value of a data set. Given below is the graphical difference bet...read more

Importing Data in R Script

Last Updated: 14 July 2025

We can read external datasets and operate with them in our R environment by importing data into an R script. R programming language offers a number of functions for import...read more