Folks -   This code fixed my problem -   DATA AREABAR; SET cpudata2; RETAIN id 0 ; id=id+1; y=0; x=hour-.5; output; y=lpctby; x=hour-.5; output; y=lpctby; x=hour+.5; output; y=0; x=hour+.5; output; run;   i finally figured out that I needed to calculate the width of the hour variable.    Closing issue.  Thanks for all of the help.   MH ... View more

ballardw -   You nailed it! Thanks for helping me better understand the AREABAR logic.  Updated code shown below.   DATA AREABAR; SET cpudata2; RETAIN x 0 id 0 ; id=id+1; y=0; output; y=lpctby; output; x=hour; output; y=0; output; run;    Best regards,   Mark ... View more