After using the "art()" function, the "art" class data were put into the "anova" function,then errors remind in R studio :
Error in Anova.III.lm(mod, error, singular.ok = singular.ok, ...) : there are aliased coefficients in the model,
what should i do to remove the aliased data and fix this error?
help.zip
thanks for your help
After using the "art()" function, the "art" class data were put into the "anova" function,then errors remind in R studio :
Error in Anova.III.lm(mod, error, singular.ok = singular.ok, ...) : there are aliased coefficients in the model,
what should i do to remove the aliased data and fix this error?
help.zip
thanks for your help