[R] a < b < c is alway TRUE

Till Baumgaertel till.baumgaertel at epost.de
Fri Jul 6 13:21:51 CEST 2001


>   3 < 2 < 1	# [1] TRUE ???
this is evaluated from left to right:
(3<2)<1

3<2 = FALSE
FALSE<1 = TRUE

what's surprising is the following:
> FALSE<1
[1] TRUE
> FALSE>1
[1] FALSE
> TRUE<1
[1] FALSE
> TRUE>1
[1] FALSE

because of symmetry i'd expect TRUE>1 to be TRUE.

cu
till

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