[R] y needing more than 2 functions

R. Michael Weylandt michael.weylandt at gmail.com
Tue Mar 27 04:31:16 CEST 2012

One way is to simply nest your ifelse()s:

y <- ifelse(t < 15, t^2, ifelse(t < 30, t^3, t^4))


On Mon, Mar 26, 2012 at 7:48 PM, Aimee Jones
<alj27 at hoyamail.georgetown.edu> wrote:
> Dear all,
> I'm aware if y has two separate functions (depending on the conditions
> of x) you can use the ifelse function to separate y into two separate
> functions depending on input. How do you do this if there a multiple
> different conditions for x?
> for example,
> y fits the following between t>0 & t<15----->function(t) t^2, y fits
> the following between t>15 & t<30-----> function(t) t^3, y fits the
> following between t>30 &t<45--->function(t) t^4 etc
> Thanks for any help you are able to give,
> yours sincerely,
> Aimee
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