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Monthly Archives: April, 2024

Can regression estimation coefficients have negative values?

In regression analysis, estimation coefficients are parameters used to understand the influence of independent variables on the dependent variable. However, an interesting question arises:...

When is autocorrelation testing performed in linear regression analysis?

In regression analysis, researchers must ensure that the constructed model meets several required assumptions. One assumption in ordinary least square linear regression is the...

Reasons why Likert scale variables need to undergo validity and reliability testing

A solid understanding of statistics, I believe, is crucial for researchers to master. Having a good grasp of statistics will lead us to choose...

Understanding the Difference between Residual and Error in Regression Analysis

When expressing a linear regression equation, the terms residual or error often appear at the end of the equation. But what exactly do residual...

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