On 26 November 2012 at 12:39, Davor Cubranic wrote:
| `create` is only useful if I know the contents of the data frame at compile
| time. In this case, until runtime I don't know how many columns there are,
| their names, types, or the number of rows -- except that all columns have the
| same numb
On 2012-11-26, at 1:10 AM, [email protected] wrote:
> Le 2012-11-26 06:19, Davor Cubranic a écrit :
>> Although DataFrame is a subclass of List, it's missing a few handy
>> constructors that List (i.e., Vector) have, such as "(const int&
>> size)" to pre-allocate the space for it.
>
> So t
Le 2012-11-26 06:19, Davor Cubranic a écrit :
Although DataFrame is a subclass of List, it's missing a few handy
constructors that List (i.e., Vector) have, such as "(const int&
size)" to pre-allocate the space for it.
So that you would have `size` columns, but how many rows, of which
types ar
Although DataFrame is a subclass of List, it's missing a few handy
constructors that List (i.e., Vector) have, such as "(const int& size)"
to pre-allocate the space for it.
Yes, I can always create a List first and convert it to a DataFrame
afterwards, but this actually doesn't copy some attri
