On May 22, 2012, at 10:06 AM, Etienne Larrivée-Hardy wrote:
Hi
I am trying to create n functions where each function is defined in
function one step before, i.e. something like
ff.k(x) = ff.j(x) - sum(1:j), for j=k-1
There is a cumsum function:
> cumsum(1:10)
[1] 1 3 6 10 15 21 28 36 45 55
Did you mean something like?:
ff.k[j] <- ff.j[j] - sum(1:j), for j=k-1
In R the paren, "(", indicates that you are calling a function whereas
you appear interested in making an indexed assignment to a vector.
Is it possible? If it isn't and I manually create each function then
is their a way to call them through a loop? My objective is to
calculate something like
result.k = ff.k(x1)/ff.k(x2) for k in 2:n
You may have clear idea about which k-indices should go where in that
expression, but I surely do not. What are 'x1' and 'x2'?
--
David Winsemius, MD
West Hartford, CT
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