Answer by James for curve3d can't find local function "fn"
You can temporarily attach the function environment to the search path to get it to work:testcurve3d <- function(a) { fn <- function(x,y) { x*y*a } e <- environment() attach(e)...
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Answer by Juan Antonio Roldán Díaz for curve3d can't find local function "fn"
I have found other solution that I do not like very much, but maybe it will help you.You can create the function fn how a call object and eval this in curve3d:fn <- quote((function(x, y) {x*y*a})(x,...
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Answer by Agriculturist for curve3d can't find local function "fn"
The eval - parse solution bypasses some worries about variable scope. This passes the value of both the variable and function directly as opposed to passing the variable or function names....
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I'm trying to use the curve3d function in the emdbook-package to create a contour plot of a function defined locally inside another function as shown in the following minimal...
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