> >
> > Regards,
> > C
> >
> >
> > On 10/3/07, Christos Hatzis <[EMAIL PROTECTED]> wrote:
> >> Instead of
> >>
> >>> bmisds(age,gender,bmi)
> >> Try the vectorized version
> >>
> >>> mapply(bmisds, age
s <[EMAIL PROTECTED]> wrote:
>> Instead of
>>
>>> bmisds(age,gender,bmi)
>> Try the vectorized version
>>
>>> mapply(bmisds, age, gender, bmi)
>> See ?mapply
>>
>> -Christos
>>
>>
>>
>>> -Original Message--
Yes, I tried. Wrong calculation.
On 10/3/07, Stefan Grosse <[EMAIL PROTECTED]> wrote:
> On Wednesday 03 October 2007 08:23:15 Chung-hong Chan wrote:
> CC >
> CC > Suppose I have a long list of age, gender and bmi from a data.frame
> CC > called msltdata.
> CC >
> CC > > age <- msltdata$age
> CC >
On Wednesday 03 October 2007 08:23:15 Chung-hong Chan wrote:
CC >
CC > Suppose I have a long list of age, gender and bmi from a data.frame
CC > called msltdata.
CC >
CC > > age <- msltdata$age
CC > > gender <- msltdata$data
CC > > bmi <-msltdata$bmi
CC > > age
CC > [1] 5 10 14
CC > > gender
CC > [
> bmisds(age,gender,bmi)
>
> Try the vectorized version
>
> > mapply(bmisds, age, gender, bmi)
>
> See ?mapply
>
> -Christos
>
>
>
> > -Original Message-
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Chung-hong C
2007 12:31 AM
> To: [EMAIL PROTECTED]
> Subject: [R] How to modify function for list
>
> Dear R Gurus,
>
> I have a function which calculate the BMI standard deviation
> score based on the age and gender specific L, M, S value.
> I have written a function like this
>
&g
Dear R Gurus,
I have a function which calculate the BMI standard deviation score
based on the age and gender specific L, M, S value.
I have written a function like this
bmisds <- function (age, gender, bmi){
if (age ==1 & gender ==1)
{
bmif <- c(-1.013,16.133,0.07656)
}
else if
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