[R] If(cond) statement

Hutchinson,David [PYR] David.Hutchinson at ec.gc.ca
Tue Apr 29 22:39:44 CEST 2008


mxx = 2	
mxy = 4
if (mxx > mxy) {
  print ("mxx reigns supreme")
} else {
  print ("mxy reigns supreme")

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of Beck, Kenneth (STP)
Sent: Tuesday, April 29, 2008 9:22 AM
To: r-help at r-project.org
Subject: [R] If(cond) statement

Why will this simple statement not work? I think I am following the
documentation for if(cond) statements, and I have tried wrapping the
cons.expr and alt.expr in {}, I get the same error. There is no example
in the help file, and this is not covered in the Introduction to R,
SimpleR or other tutorials I have looked into.

if (mxx>mxy)

Error: unexpected 'else' in "else"

Why does this error message have the first 'else' in single quote and
second in double??

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