Do you ever wish your data analysis project were a little more organized?
TAF Support
Member Training: Effective File and Process Management in Statistical Projects
January 31st, 2024 by TAF Support
Member Training: Frailty Models
November 2nd, 2023 by TAF Support
Most survival analysis models for time-to-event data, like Cox regression, assume independence. The survival time for one individual cannot influence the survival time for another.
This assumption doesn’t hold in many study designs. You may have animals clustered into litters, matched pairs, or patients in a multi-center trial with correlated survival times within a center.
Member Training: Operationalizing Research Questions
July 31st, 2023 by TAF Support
One of the hardest steps in any project is learning to ask the right research question!
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Member Training: Interactions in Poisson and Logistic Regression
May 1st, 2023 by TAF Support
Interactions in statistical models are never especially easy to interpret. Throw in non-normal outcome variables and non-linear prediction functions and they become even more difficult to understand. (more…)
Member Training: Using Macros, Loops, and Functions in Stata to Manage Your Data Software Tutorial
March 31st, 2023 by TAF Support
Many data sets are challenging and time consuming to work with because the data are seldom in an optimal format.
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.