Displaying 1 result from an estimated 1 matches for "date_of_death".
2010 Jun 29
3
merging/intersecting 2 data frames
...6 4/16/2009 F 21484 41 TOOTH PAINTOOTH PAIN
7 4/16/2009 M 10783 37 RT ARM PAIN
8 4/16/2009 M 12610 65 L FOOT INJURY
9 4/16/2009 F 3495 29 URINARY DIFFICULTIES
10 4/16/2009 F 351 36 PT STS MVA
> b.df[1:10,]
DATE_OF_DEATH ID
1 4/19/2009 21676
2 4/19/2009 13717
3 4/19/2009 20498
4 4/19/2009 14281
5 4/19/2009 38848
6 4/20/2009 331
7 4/20/2009 4084
8 4/20/2009 19616
9 4/20/2009 17965
10 4/20/2009 11863
>
a.df will always be larger than b.df.
I want to create a...