[R] Newbie: Simple loops: complex troubles
projection83
mkurowski at gmail.com
Wed Apr 4 05:55:08 CEST 2007
I am used to java (well, i dont remember it really well, but anyway)
I have having a really difficult time making simple loops to work. I got the
following to work:
##
##Creates objects Ux1, Ux2, Ux2 etc. that all contain n numbers in a
random distribution
##
m<-c(m1,m2,m3,m4,m5,m6,m7,m8,m9,m10)#these are defined as numbers (means)
v<-c(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10)#these are defined as numbers
(variances)
n<-50
for(k in 1:g)
{
assign( paste("Ux", k, sep=""), rnorm( n ,
assign(paste("m",1,sep=""),m[k]) , assign(paste("m",1,sep=""),v[k]) )
)
}
The above seems like a lot of work for such a simple feat, no?
Also, I CANNot get the following to work in a loop manor:
Ux1i<-as.integer(Ux1)
Ux2i<-as.integer(Ux2)
Ux3i<-as.integer(Ux3)
or
Sx1<-sort(Ux1i)
Sx2<-sort(Ux2i)
Sx3<-sort(Ux3i)
Maybe I am just not using matrixes enough? but even that seems quite a lot
more complex than calling x<-matrix() then grabbing values by
x[j][k]...(java style if i remember correctly). the matrix help in R dosnt
make much sense to me. And also i am not sure why numeric() dosnt make you
define length before you use it, yet matrix() does. Is there some other
funciton that i should be using to make length not an issue?
All in all, I dont know if i am going about this loop stuff a reaaaaly round
about way - Any help would make me much less loopy:Pthanks
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