On 1/13/10, Trafim Vanishek <rdapamoga at gmail.com> wrote: > this is the output result > > Rk[47] <= RB[21] > [1] FALSE > > > Rk[47] > [1] 0.002842007 > > > RB[21] > [1] 0.002842007 > I would suspect that, if you're looking at all the digits, the two are not exactly the same. I would try round(Rk[47], 10) <= round(RB[21], 10) Liviu