search for: tp4268518p4268716

Displaying 1 result from an estimated 1 matches for "tp4268518p4268716".

2012 Jan 06
3
question about rev
Hi,all: I have a vector,and wanna get the opposite value via rev function. > a [1] FALSE FALSE TRUE TRUE TRUE > > rev(a) [1] TRUE TRUE TRUE FALSE FALSE > I don't know why the 3rd "TRUE" has not been reversed,while all other values are reversed? Thanks My best [[alternative HTML version deleted]]