-------- Original Message --------
Subject: Re: [R] Percentiles in R
From: Jose Luis Aznarte M. <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Date: 11.09.2007 19:09
> Thank you all! But the problem is that quantile() returns "how many
> data" are greater than p percent, and not a value in the domain of the
> vector under scrutiny. For example, I have a vector
>
> > x
> [1] "-0,39559" "1,1916" "0,23214" "1,656" "-0,3439" "-0,50568"
> [7] "0,52281" "0,96209" "0,0087242" "-0,030727" "1,0935" "0,35159"
> [13] "0,79229" "0,81791" "0,3186" "1,0165" "0,65567" "-0,56474"
> [19] "-0,34662" "0,70435" "-0,73285" "-0,60452" "-0,92526" "-0,296"
> [25] "0,51298" "0,38654" "0,32469" "-0,92555" "0,53023" "0,050059"
> [31] "1,09" "-0,35462" "0,37674" "1,1409" "0,072098" "1,4234"
> [37] "1,43" "0,68532" "0,078089" "0,61944"
>
>
It looks like you imported x as strings not as numbers.
look at this:
> x<-rnorm(50,mean=1)
> x
[1] 0.21491438 0.03133966 3.60057440 4.15322486 0.96381522 1.34283032
[7] -0.44273854 -0.53095683 -0.80736505 0.63407897 0.74989143 0.76629350
[13] 1.47503369 1.33359076 0.55049496 2.38543014 0.29774612 0.95834111
[19] 0.27763564 -0.15241260 -0.25558855 1.99413840 0.93002691 0.65026853
[25] 2.89999171 1.57017766 -0.20427214 1.05860619 0.74690706 0.95646603
[31] 0.90801464 -0.18236578 0.24682773 1.57208695 1.05569796 0.79504514
[37] 0.78895742 0.66675315 1.33666759 0.87238647 -1.12956668 0.44982951
[43] 0.25748181 0.82173105 0.86385613 1.03523168 0.17719826 2.59587957
[49] 2.22803895 2.45127783
> quantile(x,probs=0.1)
10%
-0.2094038
Stefan
-=-=-
... When the center does not hold, the circle falls apart. (Lao Tzu)
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