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A revised SAS macro for maximum likelihood estimation of prevalence ratios using the COPY method
- Correspondence to Martin R Petersen, National Institute for Occupational Safety and Health, Mail Stop R15, 4676 Columbia Parkway, Cincinnati, OH 45226, USA; mrp1{at}one.net
Citation
A revised SAS macro for maximum likelihood estimation of prevalence ratios using the COPY method
Publication history
- Accepted January 16, 2009
- First published August 18, 2009.
Online issue publication
April 27, 2016
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BMJ Publishing Group Ltd. All rights reserved.