[R] parsing problem

[Ken Knoblauch]

venkata kirankumar <kiran4u2all <at> gmail.com> writes:
> I am trying to parse a vector for caliculating minimum in that vector the
> vector having values like
> 
> 1        Kontrolle
> 2          Placebo
> 3         125mg/kg
> 4         250mg/kg
> 5         500mg/kg
> 6        1000mg/kg
> hear i tries for comverting it into numeric with using  "as.numaric()"
>  function
> but i got values like
> 5
> 6
> 2
> 3
> 4
> 1
> 
> can anyone suggest how I will solve it
> 
> thanks in advance
> 
> regards;
> kiran
> 
Your Kontrolle is being treated as a factor so you
are seeing only the codes of the levels.  There is
probably something more elegant, but you need
something like,

as.numeric(sapply(with(dd, strsplit(levels(Placebo)[Placebo], "m")), "[[", 1))

-- 
Ken Knoblauch
Inserm U846
Institut Cellule Souche et Cerveau
Département Neurosciences Intégratives
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