[R] simple coding question

[Peter Alspach]

Kirsten

One way to do this:

kirsten <- c(123, 1234, 12345)
100*as.numeric(paste(substring(kirsten, 1, 3), substring(kirsten, 4, 5),
sep='.'))

HTH ........

Peter Alspach
  

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Kirsten Beyer
> Sent: Tuesday, 31 July 2007 9:31 a.m.
> To: r-help at stat.math.ethz.ch
> Subject: [R] simple coding question
> 
> I have a list of ICD9 (disease) codes with various formats - 3 digit,
> 4 digit, 5 digit.  The first three digits of these codes are 
> what I am most interested in.  I would like to either add 
> zeros to the 3 and 4 digit codes to make them 5 digit codes 
> or add decimal points to put them all in the format ###.##.  
> I did not see a function that allows me to do this in the 
> formatting command.  This seems simple - can someone help?
> 
> Thanks,
> K.Beyer
> 
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