Want to create a Gantt chart in mathematica extracting data from a CSV - which has columns ID, StartDate and Activity Duration)
yes the example demonstrates how to create a Gantt Chart from six defined tasks, with colour coding for each tasks and blanks. How to create that from a CSV with n tasks.
What have you tried?
It isn't built-in but others have made them. For example, http://demonstrations.wolfram.com/GanttChartsAndNetworkDiagrams/