Displaying 3 results from an estimated 3 matches for "whatever1".
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whatever
2006 May 22
3
writing 100 files
...ermute a row.
I would like to use the function write.table() to write the files, and
use a loop to do it:
for (i in 1:1000){
bb8[2,] = sample(bb8[2,])
write.table(bb8, quote = F, sep = '\t', row.names = F, col.names = F,
file = 'whatever?????.txt')
}
so all the files are called whatever1: whatever1000
Any idea?
Cheers,
Federico
--
Federico C. F. Calboli
Department of Epidemiology and Public Health
Imperial College, St Mary's Campus
Norfolk Place, London W2 1PG
Tel +44 (0)20 7594 1602 Fax (+44) 020 7594 3193
f.calboli [.a.t] imperial.ac.uk
f.calboli [.a.t] gmail.com
2005 Mar 31
4
Transactions
I cant seem to find much information apart from the basics on
transactions in rails. I have 5 nested transactions, and am performing
the following basic operations:
@whatever1.transaction do
@whatever2.transaction do
....
@whatever2.something = "foo"
@whatever1.something = "bar"
@whatever1.save
@whatever2.save
.....
end
end
((( I had tried using if''s inside the transaction on the save''s, and it
worked for a bit b...
2008 Feb 08
2
When I cbind the POSIXct gets lost
I would like to create a new dataframe from the DateTime column of an
existing dataframe and a numeric vector. When I do cbind(x[,1], y) the
result is:
[1,] 1199370600 12.500
[2,] 1199371200 69.375
[3,] 1199371800 23.750
where the first column you see used to look like:
"2008-01-03 08:30:00 Central Standard Time"
"2008-01-03 08:40:00 Central Standard Time"