Not quite. It still orders the values in an increasing order, you've just changed the values here. I'm using reorder() to prepare for plotting the values, so I can't change the values.
On Sun, Jul 22, 2012 at 6:51 PM, arun <smartpink...@yahoo.com> wrote: > Hi, > > I hope this is what you are looking for. > > > bymean1<-with(InsectSprays,reorder(spray,count,mean)) >> bymean1 > [1] A A A A A A A A A A A A B B B B B B B B B B B B C C C C C C C C C C C C > D D > [39] D D D D D D D D D D E E E E E E E E E E E E F F F F F F F F F F F F > attr(,"scores") > A B C D E F > 14.500000 15.333333 2.083333 4.916667 3.500000 16.666667 > #################### > > Levels: C E D A B F > > ##################### > > bymean2<-with(InsectSprays,reorder(spray,count,function(x) -mean(x))) > bymean2 > [1] A A A A A A A A A A A A B B B B B B B B B B B B C C C C C C C C C C C C > D D > [39] D D D D D D D D D D E E E E E E E E E E E E F F F F F F F F F F F F > attr(,"scores") > A B C D E F > -14.500000 -15.333333 -2.083333 -4.916667 -3.500000 -16.666667 > #################### > Levels: F B A D E C > ####################### > > A.K. > > > > ----- Original Message ----- > From: Sverre Stausland <john...@fas.harvard.edu> > To: r-help@r-project.org > Cc: > Sent: Sunday, July 22, 2012 12:27 PM > Subject: [R] Reorder in decreasing order > > reorder() is probably the best way to order the levels in a vector > without manually specifying the order. But reorder() orders by default > in an increasing order: "The levels are ordered such that the values > returned by ‘FUN’ are in increasing order." > > Is there a way to do what reorder() does, but order the levels > according to a _decreasing_ order of the values? > > Sverre > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
