Displaying 4 results from an estimated 4 matches for "billycorg".
2007 Jun 13
3
extractor rows from a matrix
hi!
i have a little problem: my data's matrix has 1093 rows and 3 columns.
i'd like to extract each rows..
something like this:
ht= my matrix
Dt=(???)=a vector with t=1,2...1093
what can i do?
thank you!
Vincenzo
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2007 Jun 15
1
problems with matrix, list and other..
hi
can anyone help me to solve these problems?
i have:
1) "d" matrix with 1096 rows;
for example,
d[2]=
[,1] [,2] [,3]
[1,] 0.1192566 0.0000000 0.0000000
[2,] 0.0000000 0.1065938 0.0000000
[3,] 0.0000000 0.0000000 0.1038888
if I
class (d[2]) = "list"
solve(d[2]) = error!!!
2) "e" list with 1096 rows;
for example
2012 Nov 25
2
creation of an high frequency series
Hi R Users!
I would like to create an high frequency series but I am experiencing some
difficulties.
My series should start at 09.30 a.m. each day and end at 16.00 for, let's
say, 2 years. I don't care on how many observations are for each day. It's
ok also one observation each minute. In this case, I would have 390
observations each day.
I have tried the following:
start <-
2007 Nov 12
0
a very little help with sample weights
I am a very beginner user of R. I have yet sample weights that I would like
to apply to all my data set.
Which function can I apply? The survey package begins from the survey
design.. I have yet, in my dataset, the weights column.
thanks a lot,
Vincenzo
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