[R] converting string to float

[Peter Dalgaard BSA]

lutz.thieme at amd.com writes:

> Hello everybody,
> 
> I have following string type and try to convert it to float:
> 
> > a<-"20020104.123456"
> > str(as.numeric(a))
>  num 20020104
> > str(as.real(a))
>  num 20020104
> > str(as.double(a))
>  num 20020104
> 
> How can I get an float instead of an integer? How can I set the desired precision?

It *is* a float. The precision is in the printing:


>  a<-"20020104.123456"
> as.numeric(a)
[1] 20020104
> as.numeric(a)-20020104
[1] 0.123456

-- 
   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
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