The ACT and SUCC variables define the precedence relationships, the PARENT variable defines the parent task, and the DAYS variable contains the duration of ... variable. The GANTT procedure is next ...

act. */ pattern6 c=cyan v=s; /* actual duration of an activity */ pattern7 c=blue v=x1; /* break due to a holiday */ * draw the Logic Gantt chart; proc gantt data=widgela holidata=holidays; chart / ...

I tried numerous other Gantt chart templates before finding this one, and I didn't like how bad they were at making real-time adjustments ... to use if you're a total beginner.