apollo_expandLoop {apollo} | R Documentation |
Expands loops in a function or expression
Description
Expands loops replacing the index by its value. It also evaluates paste
and paste0
, and removes get
.
Usage
apollo_expandLoop(f, apollo_inputs, validate = TRUE)
Arguments
f |
function (usually |
apollo_inputs |
List grouping most common inputs. Created by function apollo_validateInputs. |
validate |
Logical. If TRUE, the new function will be validated before being returned |
Details
For example, the expression
for(j in 1:3) V[[paste0('alt',j)]] = b1*get(paste0('x',j)) + b2*X[,j]
would be expanded into:
V[[alt1]] = b1*x1 + b2*X[,1]
V[[alt2]] = b1*x2 + b2*X[,2]
V[[alt3]] = b1*x3 + b2*X[,3]
Value
A function or an expression (same type as input f
)
[Package apollo version 0.3.3 Index]