[R] R tools for large files

[(Ted Harding)]

On 26-Aug-03 Prof Brian Ripley wrote:
> On Tue, 26 Aug 2003 Ted.Harding at nessie.mcc.ac.uk wrote:
> [...]
>>   > X
>>   [1] "1,4,5" "1,2,5" "5,1,2"
>> 
>> Now my Question:
>> [...]
>> In other words, how to convert a vector of character strings, each
>> of which is in comma-separated format as above, into the rows of
>> a data-frame (or matrix, come to that)?
> 
> read.table() on a text connection.
> 
>> X <- c("1,4,5", "1,2,5", "5,1,2")
>> read.table(textConnection(X), header=FALSE, sep=",")
>   V1 V2 V3
> 1  1  4  5
> 2  1  2  5
> 3  5  1  2

Thanks, Brian! Just the job.
Best wishes,
Ted.


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Date: 26-Aug-03                                       Time: 10:05:14
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