[R] trend estimation for cohort study

From: Claude Messiaen - Urc Necker <stagiaire2.urc_at_nck.ap-hop-paris.fr>
Date: Mon 25 Jul 2005 - 20:09:44 EST


Hi R Users,

I wish to estimate if there is a trend in my relative risk obtained by coxph. The best i've found is a method from Greenland and Longnecker ( Am J Epidemiology 1992 vol 135 (11) - p 1301-9 ). But all I have is my relative risk and their std error. Is there a command in R that can do this ? If there is someone with a better method ? Thanking you in advance, I look forward your reply. Claude

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