Interactions in logistic regression models can be trickier than interactions in comparable OLS regression models. This is particularly true when there are covariates in the model in addition to the…
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How can I understand a categorical by categorical interaction in logistic regression? (Stata 12) | Stata FAQ
Interactions in logistic regression models can be trickier than interactions in comparable OLS regression models. This is particularly true when there are covariates in the model in addition to the categorical predictors….
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How can I understand a categorical by continuous interaction in logistic regression? (Stata 10 and earlier) | Stata FAQ
The techniques and methods for this FAQ page were drawn from the work of Long (2006) and Hu & Long (2005). Interactions in logistic regression models can be trickier than…
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How can I understand a categorical by continuous interaction in logistic regression? (Stata 11) | Stata FAQ
The techniques and methods for this FAQ page were inspired Long (2006) and Hu & Long (2005). This FAQ page uses features available in Stata 11 and will not work…
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How can I understand a categorical by continuous interaction in logistic regression? (Stata 12) | Stata FAQ
The techniques and methods for this FAQ page were inspired Long (2006) and Hu & Long (2005). Interactions in logistic regression models can be trickier than interactions in comparable OLS…
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How can I understand a continuous by continuous interaction in logistic regression? (Stata 11) | Stata FAQ
Continuous by continuous interactions in OLS regression can be tricky. Continuous by continuous interactions in logistic regression can be downright nasty. However, with the assistance of the margins command introduced…
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How can I understand a continuous by continuous interaction in logistic regression? (Stata 12) | Stata FAQ
Continuous by continuous interactions in OLS regression can be tricky. Continuous by continuous interactions in logistic regression can be downright nasty. However, with the assistance of the margins command (introduced…
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Why am I losing precision with large whole numbers (such as an ID variable)? | Stata FAQ
Say that we have a tiny data file which has just ID variables like the one below. input id 123456789 123456790 123456791 123456792 123456793 123456794 123456795 123456796 end If we…
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How can get anova main-effects with dummy coding? (Stata version 10 and earlier) | Stata FAQ
Many researchers like to do their anova using regression with dummy coding but find it confusing when they don’t get the same main-effects as in anova. This FAQ will show…
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How can I do multivariate repeated measures in Stata? | Stata FAQ
Using the manova command along with transformations of the dependent variables will allow you to perform multivariate repeated measures analyses. Example 1 The first example is a within-subjects design, also known as…
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