options nodate pagesize=54 linesize=80; /* Read in the input file */ data ex0708; * infile '../../../data/biostat/ex0708.dat'; infile 'C:\biostat\data\ex0708.dat'; input drug tb logplsmd0 logplsmd21; /* Run the regression with dependent variable=logplsmd21 and independent variables = logplsmd0 drug tb */ proc reg; model logplsmd21 = logplsmd0 drug tb; run; quit;