when is nonparametric regression performed in r how can i do r nonparametric regression if coefficient of interaction is different from zero, what is the lm function why use nonparametric regression for a gene how to perform nonparametric regression what are linear units in r r functions and p values can an interaction coefficient be used in a nonparametric regression what is lm() in r which function is appropriate when an interaction term is determined by a t test is lin.reg a function r is lm __________ what is lm in r how to calculate p value in r which r function determines the p value of the interaction coefficient? how to use lm function in r what is the function for lm r functions that use rank which of the following statements is not a parametric regression? what is the lm in r