Hierarchical regression is a technique we can use to compare several different linear models. The basic idea is that we first fit a…
Stata Statistics Tutorial

 ANOVA in StataSoftware TutorialsStata Statistics Tutorial
How to Perform a MANOVA in Stata
by Tutor AspireA oneway ANOVA is used to determine whether or not different levels of an explanatory variable lead to statistically different results in…
 Regression in StataSoftware TutorialsStata Statistics Tutorial
How to Test for Multicollinearity in Stata
by Tutor AspireMulticollinearity in regression analysis occurs when two or more explanatory variables are highly correlated to each other, such that they do not provide unique or…
 Regression in StataSoftware TutorialsStata Statistics Tutorial
How to Perform Quantile Regression in Stata
by Tutor AspireLinear regression is a method we can use to understand the relationship between one or more explanatory variables and a response variable.…
 Regression in StataSoftware TutorialsStata Statistics Tutorial
How to Create and Interpret a ROC Curve in Stata
by Tutor AspireLogistic Regression is a statistical method that we use to fit a regression model when the response variable is binary. To assess how well a…
 Hypothesis Tests in StataSoftware TutorialsStata Statistics Tutorial
How to Test for Normality in Stata
by Tutor AspireMany statistical tests require one or more variables to be normally distributed in order for the results of the test to be…
 Regression in StataSoftware TutorialsStata Statistics Tutorial
How to Perform a BreuschPagan Test in Stata
by Tutor AspireMultiple linear regression is a method we can use to understand the relationship between several explanatory variables and a response variable. Unfortunately, one problem…
 Software TutorialsStata Statistics TutorialVisualizations in Stata
How to Create and Modify Pie Charts in Stata
by Tutor AspireA pie chart is a circular chart that uses “pie slices” to display the relative sizes of data. This tutorial explains how to…
 Regression in StataSoftware TutorialsStata Statistics Tutorial
How to Use Robust Standard Errors in Regression in Stata
by Tutor AspireMultiple linear regression is a method we can use to understand the relationship between several explanatory variables and a response variable. Unfortunately, one problem…
 Hypothesis Tests in StataSoftware TutorialsStata Statistics Tutorial
How to Perform Levene’s Test in Stata
by Tutor AspireLevene’s Test is used to determine whether two or more groups have equal variances. This is a widely used test in statistics because…