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pgamma
2003 Nov 05
1
Fitting a 3-parameter gammadistribution
I have 'grouped' data, that is in the form of:
Interval Median
0-9.9%: -25
10-19.9%: 0
20-29.9%: 3
30-39.9%: 10
40-49.9%: 50
50-59.9%: 200
et cetera
and want to fit a three parameter gamma distribution. Does anyone know of an existing routine for doing this (or something similar)? Any help or comment is much appreciated.
Regards,
M?rten
M?rten