Hi all,
I've got object *cumsumtab, *where the first row (1,2,3,4,5,6,8,13,14,17,40)
are names (actually, categories), and the second row has numeric values.
> cumsumtab
1 2 3 4 5 6 8 13 14 17 40
2 4 6 7 9 11 13 14 15 16 17
I'm trying to find a way of finding to which category ( in *names(cumsumtab)
* ) belongs a given value (let's say Q1 <- 4.25). So far, I've tried the
following:
> Q1 <- 4.25
>cstQ1 <- cumsumtab-Q1
>cstQ1
1 2 3 4 5 6 8 13 14
17 40
-2.25 -0.25 1.75 2.75 4.75 6.75 8.75 9.75 10.75 11.75 12.75
> min(cstQ1[cstQ1>0])
[1] 1.75
Then I'm trying to recover the name of the class that 1.75 (the closest
superior number) belongs to. I haven't found a function that actually tells
you the position that the value occupy on the list (so I can slice it or
something).
ANY idea would be of great help. Thanks in advance.
Germán Bonilla
I.Ecol, UNAM
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