23 Jul
2007
23 Jul
'07
1:47 a.m.
Vincent Nijs (el 2007-07-22 a les 10:21:18 -0500) va dir::
[...] I would assume the NULL's could be treated as missing values (?) Don't know about the different types in one column however.
Maybe a masked array would do the trick, with NULL values masked out. :: Ivan Vilata i Balaguer >qo< http://www.carabos.com/ Cárabos Coop. V. V V Enjoy Data ""