Hello,
Suppose I want to store some data (a non-negative integer)
related to an "event" involving two entities. It occurs to me that
the way to do it is using a 2-d array, like a table:
For example:
a b c
a1
b 2 0
c 5
in the event 'b-a' the data is 2, and in the event 'c-a' is
2009/7/29 Ernest Adrogué :
> Hello,
>
> Suppose I want to store some data (a non-negative integer)
> related to an "event" involving two entities. It occurs to me that
> the way to do it is using a 2-d array, like a table:
>
> For example:
>
> a b c
> a 1
> b 2 0
> c 5
>
> in the event 'b
Robert Kern wrote:
> 2009/7/29 Ernest Adrogué :
>> Now, I need to be able to differentiate between 0 and 'no data'.
>> Is it possible to do this with the standard array class?
>
> Not really. Use masked arrays. Or use a dictionary.
masked arrays are made precisely for this. However, if you can u
29/07/09 @ 14:54 (-0700), thus spake Christopher Barker:
> Robert Kern wrote:
> > 2009/7/29 Ernest Adrogué :
> >> Now, I need to be able to differentiate between 0 and 'no data'.
>
> >> Is it possible to do this with the standard array class?
> >
> > Not really. Use masked arrays. Or use a dictio