Synopsis
		sfdespike2-ed < in.rsf > out.rsf window=20 sigma=3.0

move outliers values to the tolerance
parameter.

Example:

if (a>3sigma) a=3sigma

outlier
* * ^
* * |
* * |
* * *
**** * * * * * *****

Parameters
		float sigma=3.0   int window=20