If any data values are negative, the recommended solution is to add a constant to all values to make them positive. The name of the independent variable. The name of the response variable. The name of a character variable to identify each observation, used to label points in the output. The greatest range of either end-third.
FIT requests a plot of observed and fitted values vs. X for the raw data.
Parameters of fitted resistant line slope intercept -0.033482 111.67558 plus tables of fitted values and residuals, and plots.