st: To: statalist-digest@hsphsun2.harvard.edu

["Christopher J. Crnich, MD" <cjcrnich@wisc.edu>]

I am new to Stata so my question may be a bit naive. I am working with 
count data (infectious diseases where persons either do or don't 
develop illness) and I am trying to create an epidemic curve over a 48 
hour period (timeline labeled from 1 - 48). I used the histogram 
function, however, my last data point (at 34.5 hours) does not show up 
on the histogram. Curiously, when I change the last data points time 
from 34.5 to 32 hours it does show up on the histogram. However, any 
number >32 causes the data point to disappear. It does not even get 
lumped in with the next closest data point (26.5). Anyone have an idea 
what is going on? Am I doing something wrong with the histogram 
command?

Any help would be appreciated.


Christopher J. Crnich, MD
Section of Infectious Diseases
Department of Medicine
University of Wisconsin Hospital and Clinics
600 Highland Avenue, CSC H4/574
Madison, WI 53792
Phone: (608) 263-1554
Fax: (608) 263-4464
Email: cj.crnich@hosp.wisc.edu

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