Lawrence Lile wrote: >This could easily ignite the Average vs Median debate that took up so much bandwidth about two years ago. I am convinced that median filter techniques are superior to averaging, for this reason: Say I have some pulse noise, with a nasty 60 hz hum superimposed on it (that's probably what I'm dealing with): > >3.0, 3.1, 2.9, 3.0, 3.1, 2.9, 1.0, 3.0, 2.9, 3.1 > >What is the average? 2.8 by my calculation > >What if you eliminate the last data point? the average is 2.76 hmmmmm.... > >What is the best representation of the data? 3.0, the median, no matter how many data points we have. > By selectively eliminating far outliers, you might get a better values either way. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu