runningavg <dset1> [<dset2> ...] [name <dsetname>] [out <filename>] [ [cumulative] | [window <window>] ]
<dset1> [<dset2> ...] Data set(s) to calculate running average for.
[name <dsetname>] Output running average data set name.
[out <filename>] File to write results to.
[cumulative] Calculate cumulative running average instead.
[window <window>] Size in frames of window over which to calculate running average.
Calculate running average over windows of given size for data in selected data set(s).