redundant variable in linear regression why are column x and y redundant for regression what is redundant column in r what is redundant r how do you handle redundant factor variable level in r what is the redundant variable in r? r how to handle redundant variables why are factor variables redundant how to deal with redundant factor variable levels r can you use redundant factor variables in regression which factor is redundant in r what should i do with redundant factor variable in regression which of the following factors is redundant? r or ms how many redundant factors does r use what is redundant lm what is redundant mean in r is a linear regression redundant why do r lm statements contain redundant columns which factor variables must be redundant for a regression which factor is redundant in linear regression