Paolo -
One way to make the function do what you want is to replace
the line
print(sprintf("OK with %s and %s\n", var1, var2))
with
cat('OK with',substitute(var1),'and',substitute(var2),'\n')
With sprintf, you'd need
print(sprintf("OK with %s and %s\n", deparse(substitute(var1)),
deparse(substitute(var2))))
but since you're just printing the string returned by sprintf, I'd
go with cat.
- Phil Spector
Statistical Computing Facility
Department of Statistics
UC Berkeley
spec...@stat.berkeley.edu
On Mon, 20 Dec 2010, Paolo Rossi wrote:
I would like to know how to turn a variable into a string. I have tried
as.symbol and as.name but it doesnt work for what I'd like to do
Essentially, I'd like to feed the function below with two variables. This
works fine in the bit working out number of elements in each variable.
In the print(sprintf("OK with %s and %s\n", var1, var2)) line I would like
var1 and var2 to be magically substituted with a string containing the name
of var1 and name of var2.
Thanks in advance
Paolo
haveSameLength <- function(var1, var2) {
if (length(var1)==length(var2))
{
print(sprintf("OK with %s and %s\n", var1, var2))
} else {
print("Problems!!")
}
}
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