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Author: Kanda Data

How to Perform Residual Normality Analysis in Linear Regression Using R Studio and Interpret the Results

By Kanda Data / Date Nov 11.2024 / Category Data Analysis in R

Residual normality testing is a key assumption check in linear regression analysis using the Ordinary Least Squares (OLS) method. One essential requirement of linear regression is that the residuals should follow a normal distribution. In this article, Kanda Data shares a tutorial on how to perform residual normality analysis in linear regression using R Studio, along with steps to interpret the results.

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How to Perform an Independent Sample t-Test and Interpret the Results in R Studio

By Kanda Data / Date Oct 21.2024 / Category Data Analysis in R

The independent sample t-test in R Studio is used to compare two independent groups. Through this t-test, we can determine whether there is a significant difference between the means of the two groups being compared.

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How to Perform Paired Sample t-Tests in R Studio and Interpret the Results

By Kanda Data / Date Oct 14.2024 / Category Data Analysis in R

Paired sample t-tests, which aim to identify differences between two paired data sets, can be analyzed using R Studio. Through paired sample t-tests, we can determine whether there are significant changes after a certain treatment or program carried out during the research activity.

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How to Perform Multiple Linear Regression Analysis on Time Series Data Using R Studio

By Kanda Data / Date Oct 07.2024 / Category Data Analysis in R

Multiple linear regression analysis on time series data, along with its assumption tests, can be performed using R Studio. In a previous article, I explained how to conduct multiple linear regression analysis and assumption tests for cross-sectional data.

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How to Perform Multiple Linear Regression Analysis Using R Studio: A Complete Guide

By Kanda Data / Date Sep 30.2024 / Category Data Analysis in R

Multiple linear regression analysis requires commands to be executed in R Studio. Given the importance of understanding how to analyze and interpret multiple linear regression using R Studio, Kanda Data will write an article discussing this topic.

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How to Analyze Likert Scale Variables | Non-Parametric Ordinal Scale Variables

By Kanda Data / Date Sep 23.2024 / Category Nonparametric Statistics

Non-parametric variables measured using the Likert scale (ordinal scale) have a slightly different analysis approach compared to parametric variables. This Likert scale approach is often used in social and management research. In such studies, we are often confronted with variables that cannot be directly quantified.

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Assumption Tests for Multiple Linear Regression on Cross-Sectional Data

By Kanda Data / Date Sep 16.2024 / Category Assumptions of Linear Regression

In multiple linear regression analysis using cross-sectional data, there are several assumption tests that must be conducted to obtain the best linear unbiased estimator. It is crucial to understand which assumption tests are required for research utilizing cross-sectional data. This is important because the assumption tests for cross-sectional, time series, and panel data differ in some respects.

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How to Choose a 5% or 10% Margin of Error in Slovin’s Formula | Calculating the Minimum Sample Size

By Kanda Data / Date Sep 09.2024 / Category Research Methodology

In calculating the minimum sample size using Slovin’s formula, researchers can choose a 5% or 10% margin of error. What’s the difference, and how do you choose the right one? In survey research, when observing a population, we are often faced with the challenge of a large population size that needs to be observed.

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