Displaying 4 results from an estimated 4 matches for "revsort".
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resort
2012 Jul 20
1
conditional subset and reorder dataframe rows
...r.Strand = rep('+', 6), Chr.From = c(155062277, 155062304, 155062305, 155062309, 155062326, 155062531), Probe.X = c(428, 1681, 2058, 1570, 1293, 2125), Probe.Y = c(1484, 2090, 893, 1082, 1435, 1008))
mapping <- rbind (negStrandGene, posStrandGene)
# define a function to do what we want
revSort <- function(df){
if (unique(df$Chr.Strand == '-'))
return (df[order(df$Chr.From), ])
else return (df)
}
# split the data with plyr, apply the function and recombine
test2 <- ddply(mapping, .(Probe.Set.Name), function(df) revSort(df)) # ok, cool works
So here the rows with...
2003 Dec 14
5
reverse lexicographic order
Hi all,
I have some email addresses that I would like to sort in reverse
lexicographic order so that addresses from the same domain will be
grouped together. How might that be done?
Murray
--
Dr Murray Jorgensen http://www.stats.waikato.ac.nz/Staff/maj.html
Department of Statistics, University of Waikato, Hamilton, New Zealand
Email: maj at waikato.ac.nz
1999 Jul 07
1
Bug on sample (PR#219)
Full_Name: Jose M. Perez
Version: 0.64.2
OS: Linux/x86
Submission from: (NULL) (159.90.200.68)
sample(1,1,prob=c(1))
Causes a core dump.
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2005 Sep 15
10
Can I use printa() for printing multiple agg regations?
Hi Bryan,
> Does that sit well with everyone?
Seems fine to me.
Just revisiting one of Dragan''s points, though (sorry if I missed the
answer) - is there a reason for making this global (via a #pragma) rather
than, say, simply providing two functions which print in the different
orders? e.g. printa() for sort by sample, printak() for sort by key.
My reason for wanting to do both in