data opg9_10; /* text MINK-REP.htm contains data for 11 mink with repeated litter sizes with litter No 1 2 3 etc. Calculate the coefficient of repeatability. */ input mink kuldnr kuldstr; cards; 1 1 4 1 2 4 1 3 5 2 1 5 2 2 5 3 1 5 3 2 4 3 3 5 4 1 4 4 2 4 4 3 5 5 1 6 5 2 6 5 3 4 6 1 5 6 2 6 6 3 6 7 1 6 7 2 6 8 1 7 8 2 6 8 3 6 9 1 4 9 2 7 9 3 6 10 1 5 10 2 6 11 1 6 11 2 7 11 3 5 proc nested; class mink; var mink; run;