Hello,
I have some trouble in terms of using integrate function in R.
f1 is a function of p and x where x is supposed to be a vector. (See the
code).
Then I want to write function f2 which is a function of the vector
x after I integrate out p.
Can some one give me some help? Many thanks!
Hannah
> f1 <- function (p,x)
+ {
+ y <- p*x+(1-p)*x^{2}
+ prod(y)
+ }
>
> f2 <- function(x)
+ {
+ integrate(f1, 0,1, x)
+ }
> f2(x=c(1,2))
Error in integrate(f1, 0, 1, x) :
evaluation of function gave a result of wrong length
In addition: Warning messages:
1: In p * x :
longer object length is not a multiple of shorter object length
2: In (1 - p) * x^{ :
longer object length is not a multiple of shorter object length
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