Displaying 4 results from an estimated 4 matches for "germanbr".
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german
2009 Jun 18
1
recovering the name of a given value in a matrix
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
2009 Jun 30
2
difference between "names", "colnames" and "dimnames"
Hi all...
I built a matrix binding vectors with rbind, and have something like this:
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
CLS 3.877328 4.087636 4.72089 4.038361 3.402942 2.786285 2.671222 3.276419
ORD NaN NaN NaN NaN 5.770780 5.901113 11.888054 7.934823
FAM NaN NaN NaN NaN NaN 3.699455 4.551196 2.885390
GEN
2009 Jun 17
1
function to determine to which class/category a value belongs to?
Hi all,
I''ve got a simple contingency table produced with table(), and the upper and
lower quartiles (quantile25 and quantile75) for the same dataset.
Is there a function that tells me in which category does the value of the
quartile falls into?
for example:
tabsp <- table(fam$I[fam$I>0])
1 3 6
6 1 1
and for the cumulative frequency distribution
tabcum <- cumsum(tabsp)
1 3
2009 Jun 17
1
wrong results when apply+sum with missing values (NA)
Hi all,
I can't compute the sum by columns to a matrix using apply() when I've got
missing values (either 0 or NA)...
I've got this matrix:
>nafam
Micro Flavo Helio Pseud Rhodo Bdello Chloro Syntro Verruco Prochloro
SAR11
I 1 1 1 NA NA 1 3 NA 1 6
1
VII NA 1 2 1 NA 2 16 1 NA 12
35
XI