Binomial Filter number of Passes

What is the method to determine the number of passes for binomial filter ?
Choose a number that give the desired response (trial and error), or look at the filtering response curves in:

File->Example Experiments->Analysis->Smoother Operation Responses

(Note: that experiment uses the term "Gaussian" to refer to binomial smoothing.)

--Jim Prouty
Software Engineer, WaveMetrics, Inc.