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Results tagged with categorical-encoding
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user 211615
Representing categorical variables as sets of numerical variables. Necessary in many types of analysis for them to process categorical data. A common example is using a categorical predictor in regression/ANOVA via dummy coding, effect coding, Helmert coding, user-defined contrasts, etc.
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Setting contrasts in lme4: contr.treatment vs contr.sdif [closed]
In my study, each participant completed the very same Reaction Time task 3 times in 3 Sessions. I am not entirely sure if I should code the variable "Session" using contr.treatment or (a modified ver …
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