[R] I don't know the difference between rank and order

li1127217ye li1127217ye at 163.com
Wed Nov 21 03:57:19 CET 2012


I don't know the difference between rank and order.For example:
> x=c(10,30,30,20,10,20)
> x[rank(x,ties.method="first")]
[1] 10 10 20 30 30 20
> x[order(x)]
[1] 10 10 20 20 30 30

the result is quite different,
 x[rank(x,ties.method="first")]
[1] 10 10 20 30 30 20
It is not sorted,why?




--
View this message in context: http://r.789695.n4.nabble.com/I-don-t-know-the-difference-between-rank-and-order-tp4650246.html
Sent from the R help mailing list archive at Nabble.com.



More information about the R-help mailing list