compose {dostats} | R Documentation |
Nest functions
Description
Nest functions
Usage
compose(..., .list)
x %.% y
Arguments
... |
functions to be nested together |
.list |
alternatively an explicit list of functions.
If specified |
x |
a function |
y |
a function |
Details
compose creates a functional composition of the listed functions. Functional composition of functions f and g is defined as f(g(.)). Order matters the right most function listed will be the innermost function in the composition, same with the operator version. To remember the order lists will be the order read out, i.e. compose(f,g) = f(g(x))
When using the operator version it is good to remember that parentheses are recommended see the examples
Value
new function consisting of the functions nested
Functions
-
%.%
: infix compose operator
Author(s)
Andrew Redd
Examples
compose(any, is.na)(c(NA,1:3))
(sum%.%is.na)(c(1,NA)) #correct
## Not run:
sum%.%is.an(NA) #incorrect
## End(Not run)
[Package dostats version 1.3.3 Index]