Hierarchical regression is a technique we can use to compare several different linear models. The basic…
Category:
Stata
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Regression in StataSoftware TutorialsStata
How to Perform Quantile Regression in Stata
by Erma Khanby Erma KhanLinear regression is a method we can use to understand the relationship between one or…
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A one-way ANOVA is used to determine whether or not different levels of an explanatory…
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Regression in StataSoftware TutorialsStata
How to Create and Interpret a ROC Curve in Stata
by Erma Khanby Erma KhanLogistic Regression is a statistical method that we use to fit a regression model when the…
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Regression in StataSoftware TutorialsStata
How to Test for Multicollinearity in Stata
by Erma Khanby Erma KhanMulticollinearity in regression analysis occurs when two or more explanatory variables are highly correlated to each other, such…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Test for Normality in Stata
by Erma Khanby Erma KhanMany statistical tests require one or more variables to be normally distributed in order for…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform Welch’s t-test in Stata
by Erma Khanby Erma KhanThe most common way to compare the means between two independent groups is to use…
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Correlations in StataSoftware TutorialsStata
Correlations in Stata: Pearson, Spearman, and Kendall
by Erma Khanby Erma KhanIn statistics, correlation refers to the strength and direction of a relationship between two variables. The value…
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Software TutorialsStataVisualizations in Stata
How to Create and Modify Histograms in Stata
by Erma Khanby Erma KhanA histogram is a type of chart that uses rectangular bars to represent frequencies. It’s a…
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Regression in StataSoftware TutorialsStata
How to Create and Interpret Q-Q Plots in Stata
by Erma Khanby Erma KhanA Q-Q plot, short for “quantile-quantile” plot, is often used to assess whether or not the…
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