stacked clustered bar graphs

[Guest]

How do I create stacked clustered bar graphs in PowerPoint

My bars have 3 sections (stacked) that equal 100%
I would like to cluster groups of about 7 bars together.

Thanks

 

[Echo S]

http://peltiertech.com/Excel/ChartsHowTo/ClusterStack.html has links to some
tutorials for how to do this.