what is the glm in spss why iv is a covariate in glm what does gender mean why gender is covariate in spss what is glm in spss what is glm in spss what is the difference between iv and gender is gender a variable or dependent variable? why does glm command have covariates when is gender in glm what is the difference between gender and gender in a linear model why gender is v in the covariate box in spss? what is the difference glm and gender spss what is iv what is the difference between gender and gender in a python and spss what is the relationship between gender and gender in spss what is glm used for is glm an independent variable glm what it means what is the covariate in spss?