Displaying 5 results from an estimated 5 matches for "s_evalu".
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r_eval
2016 Sep 23
2
Undocumented 'use.names' argument to c()
In S-PLUS 3.4 help on 'c' (http://www.uni-muenster.de/ZIV.BennoSueselbeck/s-html/helpfiles/c.html), there is no 'use.names' argument.
Because 'c' is a generic function, I don't think that changing formal arguments is good.
In R devel r71344, 'use.names' is not an argument of functions 'c.Date', 'c.POSIXct' and 'c.difftime'.
Could
2016 Sep 23
2
Undocumented 'use.names' argument to c()
...E)
> A B use.names
> 1 2 0
>
> The C code used sys_index==2 to mean 'the last argument is the 'use.names'
> argument, if sys_index==1 only the recursive argument was considered
> special.
>
> Sys.funs.c:
> 405 S_unlist(vector *ent, vector *arglist, s_evaluator *S_evaluator)
> 406 {
> 407 int which = sys_index; boolean named, recursive, names;
> ...
> 419 args = arglist->value.tree; n = arglist->length;
> ...
> 424 names = which==2 ? logical_value(args[--n], ent, S_evaluator)
> : (which == 1);
&...
2016 Sep 23
0
Undocumented 'use.names' argument to c()
...ot;, TRUE, 2)
> c(A=1,B=2,use.names=FALSE)
A B use.names
1 2 0
The C code used sys_index==2 to mean 'the last argument is the 'use.names'
argument, if sys_index==1 only the recursive argument was considered
special.
Sys.funs.c:
405 S_unlist(vector *ent, vector *arglist, s_evaluator *S_evaluator)
406 {
407 int which = sys_index; boolean named, recursive, names;
...
419 args = arglist->value.tree; n = arglist->length;
...
424 names = which==2 ? logical_value(args[--n], ent, S_evaluator)
: (which == 1);
Thus there is no historical reason...
2016 Sep 25
1
Undocumented 'use.names' argument to c()
...ode used sys_index==2 to mean 'the last argument is the 'use.names'
>>> argument, if sys_index==1 only the recursive argument was considered
>>> special.
>>>
>>> Sys.funs.c:
>>> 405 S_unlist(vector *ent, vector *arglist, s_evaluator *S_evaluator)
>>> 406 {
>>> 407 int which = sys_index; boolean named, recursive, names;
>>> ...
>>> 419 args = arglist->value.tree; n = arglist->length;
>>> ...
>>> 424 names = which==2 ?...
2016 Sep 23
0
Undocumented 'use.names' argument to c()
...1 2 0
>>
>> The C code used sys_index==2 to mean 'the last argument is the 'use.names'
>> argument, if sys_index==1 only the recursive argument was considered
>> special.
>>
>> Sys.funs.c:
>> 405 S_unlist(vector *ent, vector *arglist, s_evaluator *S_evaluator)
>> 406 {
>> 407 int which = sys_index; boolean named, recursive, names;
>> ...
>> 419 args = arglist->value.tree; n = arglist->length;
>> ...
>> 424 names = which==2 ? logical_value(args[--n], ent, S_evaluator...