what function is used to measure variance in a raster model what glm family function is needed to plot the variance of the data? what is the difference in r and glm in time and variance what family to use with proportion of time what family is for proportion of time in r how to measure the proportion of time in r how to plot the duration in r which arithmetic family function is used in proportion of time? what family and link function do i need to run r what does variance of time mean what function is used for proportion of time what glm family function for variance what family and function does time have what is the glm function what family is proportional time what is the family of a variable for proportion in r tobit function in r what is the family function what family function do i need for proportion of time r what is the family of tobits