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Re: st: RE: Reconstructing the distribution from interval data

From   Ronan Conroy <>
To   "" <>
Subject   Re: st: RE: Reconstructing the distribution from interval data
Date   Thu, 9 Sep 2010 10:48:58 +0100

On 8 MFómh 2010, at 19:34, Austin Nichols wrote:

The ML approach seems preferable; for income data, see e.g.
and if you assume a family of distributions for #procedures
(Poisson, maybe?), you can estimate those parameters the same way.

Good point! A colleague has also pointed out that one frequency is known exactly: the number of physicians who did no procedures. This allows the calculation of a Poisson parameter. Calculating the expected frequencies within each of the categories allows some measure of goodness of fit.

Ronán Conroy
Associate Professor
Division of Population Health Sciences
Royal College of Surgeons in Ireland
Epidemiology Department,
Beaux Lane House, Dublin 2, Ireland
+353 (0)1 402 2431
+353 (0)87 799 97 95
+353 (0)1 402 2764 (Fax - remember them?)

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