R help - Dec 2004 - how do I get my data in matrix form?

Hi,
I am trying to convert the SPSS data that I imported using the package foreign
into a matrix form in R. I tried using write.table() and cbind() but the output
still looks bizzarre. I have about 104 columns and 21143 rows. Is the size of
the the data causing a problem?
Here was my approach
mydata<-("file location",max=0)
mydata
cbind(mydata) #doesnt work well
write.table(mydata) #distorted output
I also tried data.frame(mydata) #but this gives me only 4 columns (though
properly arranged)

Is there a better way to resolve this problem? 
Thanks
	[[alternative HTML version deleted]]

You probably want something like this:

library(foreign)
mydata <- read.spss("c:\\myfolder\\mydata.sav", to.data.frame=TRUE)

----- Original Message -----
From: "UW Email (yunt)" <yunt at u.washington.edu>
Date: Tuesday, December 21, 2004 8:17 pm
Subject: [R] how do I get my data in matrix form?
> Hi,
> I am trying to convert the SPSS data that I imported using the 
> package foreign into a matrix form in R. I tried using 
> write.table() and cbind() but the output still looks bizzarre. I 
> have about 104 columns and 21143 rows. Is the size of the the data 
> causing a problem? 
> Here was my approach
> mydata<-("file location",max=0)
> mydata
> cbind(mydata) #doesnt work well
> write.table(mydata) #distorted output
> I also tried data.frame(mydata) #but this gives me only 4 columns 
> (though properly arranged)
> 
> Is there a better way to resolve this problem? 
> Thanks
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-
> guide.html

On Tue, 21 Dec 2004 17:17:54 -0800 UW Email \(yunt\) wrote:
> Hi,
> I am trying to convert the SPSS data that I imported using the package
> foreign into a matrix form in R. I tried using write.table() and
> cbind() but the output still looks bizzarre. I have about 104 columns
> and 21143 rows. Is the size of the the data causing a problem? Here
> was my approach
> mydata<-("file location",max=0)
which gives a syntax error...

I guess you meant something like

R> mydata <- read.spss("foo")

which gives you a "list". If you want a "data.frame" instead
(which is
probably better than a matrix, you can say

R> mydata <- as.data.frame(mydata)

or instead you can say

R> mydata <- read.spss("foo", to.data.frame = TRUE)

in the first place!
If you really want a "matrix" then, you can say

R> mydata <- as.matrix(mydata)

Look at the man pages for more info.
Z
> mydata
> cbind(mydata) #doesnt work well
> write.table(mydata) #distorted output
> I also tried data.frame(mydata) #but this gives me only 4 columns
> (though properly arranged)
> 
> Is there a better way to resolve this problem? 
> Thanks
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>