[R] pass a string to a function

Peter Dalgaard BSA p.dalgaard at pubhealth.ku.dk
Tue Feb 13 22:14:05 CET 2001


Yu-Ling Wu <yuling5 at yahoo.com> writes:

> Hi,
> 
> I'd like to pass a string to a function as the value
> of the argument.
> Here is my code. However, it doesn't work. Please help
> me with this.
> 
> Thanks,
> Yu-Ling Wu
> -----------------------------------------------------
> library(RODBC)
> odbcConnect("console") -> myConnect
> 
> fun1 <- function(dd1) {
> h3 <- sqlQuery(myConnect, "select * from console where
> byday = 'dd1'group by by hour")
> }
> 
> fun1('010122')
> print(summary(h3)

Passing the string is not your problem. Getting it into the middle of
the select string is. Try something like.

paste("select * from console where byday =", dd1, "group by hour") 

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list