r-help-boun...@r-project.org wrote on 01/25/2010 02:39:32 PM:
> x <- read.table(textConnection("col1 col2
> 3 1
> 2 2
> 4 7
> 8 6
> 5 10"), header=TRUE)
>
> I want to rewrite it as below:
>
> var1 var2 var3 var4 var5 var6 var7 var8 var9 var10
> 1 0 1 0 0 0 0 0 0 0
> 0 2 0 0 0 0 0 0 0 0
> 0 0 0 1 0 0 1 0 0 0
> 0 0 0 0 0 1 0 1 0 0
> 0 0 0 0 1 0 0 0 0 1
>
> Can anybody please help how to get this done? Your help would be greatly
> appreciated.
Thanks, I've not seen textConnection() before. The table() function will
get you close:
table(c(rownames(x),rownames(x)), c(x$col1,x$col2))
cur
--
Curt Seeliger, Data Ranger
Raytheon Information Services - Contractor to ORD
seeliger.c...@epa.gov
541/754-4638
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