From gregory_r_warnes at groton.pfizer.com  Wed Aug 25 23:15:03 2004
From: gregory_r_warnes at groton.pfizer.com (Warnes, Gregory R)
Date: Wed Aug 25 23:15:57 2004
Subject: [Rd] No is.formula()
Message-ID: <D7A3CFD7825BD6119B880002A58F06C20C521A8C@groexmb02.pfizer.com>


There appears to be no "is.formula()" function in R-1.9.1.  May I suggest
that

	is.formula <- function(x) inherits(x, "formula")

be added to base, since formula is a fundimental R type?

Gregory R. Warnes
Manager, Non-Clinical Statistics
Pfizer Global Research and Development



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[Rd] No is.formula()
Warnes, Gregory R