Non parametric ANCOVA

I have a dataset with independent variables that are mostly non-normal or its residuals are non-normal. Can anyone tell me the best commands to do non-parametric ANCOVA and parametric and non-parametric t-test adjusted for a covariable?

Hi @Ricardo93,
Welcome to the RStudio Community Forum.

Google is your friend!
A simple search for "non parametric ancova in R" will yield several suitable hits.

I know that the package fANCOVA and nspm are used in these situations, but are kind of difficult to work. As anyone has already used these packages ?

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