Many data sets are challenging and time consuming to work with because the data are seldom in an optimal format.
Membership Webinars
Member Training: Using Macros, Loops, and Functions in Stata to Manage Your Data Software Tutorial
March 31st, 2023 by TAF Support
Member Training: Moderated Mediation, Not Mediated Moderation
February 28th, 2023 by TAF Support
Moderated mediation, also known as Conditional Process Modeling, is great tool for understanding one type of complex relationship among variables.
Member Training: The Link Between ANOVA and Regression
January 31st, 2023 by TAF Support
If you’ve used much analysis of variance (ANOVA), you’ve probably heard that ANOVA is a special case of linear regression. Unless you’ve seen why, though, that may not make a lot of sense. After all, ANOVA compares means between categories, while regression predicts outcomes with numeric variables.
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Member Training: Multinomial Logistic Regression
December 30th, 2022 by TAF Support
Multinomial logistic regression is an important type of categorical data analysis. Specifically, it’s used when your response variable is nominal: more than two categories and not ordered.
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Member Training: Centering
November 30th, 2022 by TAF Support
Centering variables is common practice in some areas, and rarely seen in others. That being the case, it isn’t always clear what are the reasons for centering variables. 
Is it only a matter of preference, or does centering variables help with analysis and interpretation? (more…)
Member Training: Translating Between Multilevel and Mixed Models
October 31st, 2022 by TAF Support
Multilevel and Mixed models are essentially the same analysis. But they use different vocabulary, different notation, and approach the analysis considerations in different ways.
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