Stavros Macrakis wrote:
> Don't know if this is the problem, but....
>
> It is a bad idea to set data.frame <- xxx since R has a single
> namespace for functions and variables.
>
>
it doesn't seem to be the problem.
c = c(0)
c
# 0, not the function `c`
c(1)
# 1, not an error from application of 0 to 1
but
c = `list`
c(0)
# list, not a vector
c
# the function `list`, not the value 0
the issue is, if you use a name as an operator, it's the first *function
value*, not just *value*, found on the search path that will be used.
in the example you referred to, if you assign a non-function value to
data.frame, an attempt to apply data.frame will get the function from
package:base:
data.frame = 0
find('data.frame')
find('data.frame', mode='function')
vQ
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