Index: formula.Rd
===================================================================
--- formula.Rd	(revision 81462)
+++ formula.Rd	(working copy)
@@ -158,9 +158,10 @@
 \seealso{
   \code{\link{~}}, \code{\link{I}}, \code{\link{offset}}.
 
-  For formula manipulation: \code{\link{terms}}, and \code{\link{all.vars}};
-  for typical use: \code{\link{lm}}, \code{\link{glm}}, and
+  For formula manipulation: \code{\link{terms}}, and \code{\link{all.vars}}.
+  For typical use: \code{\link{lm}}, \code{\link{glm}}, and
   \code{\link{coplot}}.
+  For formula construction: \code{\link{reformulate}}.
 }
 \examples{
 class(fo <- y ~ x1*x2) # "formula"
@@ -176,5 +177,8 @@
 ## Create a formula for a model with a large number of variables:
 xnam <- paste0("x", 1:25)
 (fmla <- as.formula(paste("y ~ ", paste(xnam, collapse= "+"))))
+## Equivalent with reformulate():
+fmla2 <- reformulate(xnam, response = "y")
+identical(fmla, fmla2)
 }
 \keyword{models}