[R] Effects of rounding on regression

[Spencer Graves]

Have you considered "?qr" and the references cited therein? 

hope this helps.  spencer graves

Peter Flom wrote:

>Does anyone know of research on the effects of rounding on regression?
>
>e.g., when you ask people "How often have you _______?" you are more
>likely to get answers like 100, 200, etc. than 98, 203, etc.
>
>I'm interested in investigating this, but don't want to reinvent the
>wheel.
>
>thanks
>
>Peter
>
>Peter L. Flom, PhD
>Assistant Director, Statistics and Data Analysis Core
>Center for Drug Use and HIV Research
>National Development and Research Institutes
>71 W. 23rd St
>www.peterflom.com
>New York, NY 10010
>(212) 845-4485 (voice)
>(917) 438-0894 (fax)
>
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>