-----Original Message-----
On 09/06/2016 09:00, ? ?? wrote:
I got the dataset after merge two old one .The id of the column isn?t just
the number of the column.So when I identify some obs,I got the figure
28000(though my obs is only 6000).So it causes the trouble to remove these
obs in the dataset.I wander how to make the id of the merged dataset in a
right order.Or what could I do when I did identify the id of the outliner(but
not the number of the column it belongs to ) when I need to remove those
obs.