I have a data set of 475 geochem samples, including values for Au, Co, Cu,
Pb, As, Mo, Sb, and Zn.
I have these values displayed in Arc/Info Map view and would like to set
up the range values via statistical means. I have calculated the threshold
values by mean +2 std deviations but would like to set up range values for
those values below threshold. Is there a user friendly application you may
know of that will allow me to display this data in Histogram form, showing
the freq dist curve while also establishing the ranges for data display?
Am I completely off the mark in methodoloy here?
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