Graphing results from the margins command can help in the interpretation of your model. Almost all of the needed results will be found in various matrices saved by margins. If…
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The margins command, new in Stata 11, can be a very useful tool in understanding and interpreting interactions. On this page we will use margins for a three factor anova…
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The margins command introduced in Stata 11 provides an easy way to compute contrasts in analysis of variance designs. We will begin by loading the hsbanova dataset and running a…
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Graphing results from the margins command can help in the interpretation of your model. Stata 12 introduced the marginsplot command which make the graphing process very easy. These  commands also…
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The margins command can be a very useful tool in understanding and interpreting interactions. We will illustrate the command in two examples using the hsbdemo dataset. use https://stats.idre.ucla.edu/stat/data/hsbdemo, clear Example…
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The web page, How can I use the margins command to understand multiple interactions in regression and anova?, presented two examples of models with multiple interactions involving categorical variables. We…
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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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The anova and mixed commands present their results rather differently. The anova command displays a single test for each factor in the model including factors that have more than one…
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The margins command, new in Stata 11, can be a very useful tool in understanding and interpreting interactions. We will illustrate the command for a logistic regression model with two…
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A client sent in a question concerning a problem he had with the margins command. It involved a repeated measures anova that used a nested factor as an error term…
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