Re: edit values

[Mario Cortina Borja <M.Cortina@ich.ucl.ac.uk>]

At 01:09 PM 8/18/2005 +0000, Jose Bartolomei wrote:


> Dear S-Plus users,
>
> I have a character column within a data set that has values with 7
and 8 characters of length.
>
> Which is your recommended way to add a 0at the left of those values
with 7 characters only?
>
>
> Thanks in advance,
> Jose
> Research degree student
> London School Hygiene & Tropical Medicine (LSHTM)

Try

test<- c('1234567', '12345678')
test<- ifelse(nchar(test)==8, test, paste('0',test,sep=''))

Best wishes,

Mario

_______________________
Dr Mario Cortina Borja
Senior Lecturer in Statistics
M.Cortina@ich.ucl.ac.uk  Phone +44(0)20 7905 2113 Fax +44(0)20 7905 2381
Paed. Epid. & Biostats, Institute of Child Health, UCL, London WC1N 1EH, UK