[R] (no subject)

[Judith Flores]

Hi,

   I have a data frame that looks something like this:

     id day    k
   656  -1  566
   663  -1  680
   673  -1  773
   675  -1  761
   704  -1  685
   714  -1  636
   717  -1  421
   719  -1  645
   727  -1  761
  731  -1  663
11  735  -1  603
12  738  -1  865
13  742  -1  594
14  744  -1  601
15  747  -1  816
16  749  -1  802
17  753  -1  811
18  761  -1  585
19  768  -1  644
20  771  -1  649
21  772  -1  679
22  788  -1  467
23  799  -1  572
24   81  -1  446
25  656   2  298
26  663   2  273
27  673   2  837
28  675   2  830
29  704   2  297
30  714   2  255
31  717   2  197
32  719   2  756
33  727   2  844
34  731   2  265
35  735   2  228
36  738   2  913
37  742   2  250
38  744   2  837
39  747   2  316
40  749   2  871
41  753   2  455
42  761   2  893
43  768   2  916
44  771   2  797
45  772   2  371
46  788   2  659
47  799   2  398



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