Displaying 20 results from an estimated 1000 matches similar to: "Mann-Kendall test"
2009 Mar 12
8
help with loop
Dear useRs,
I'm trying to write a loop to sum my data in the following way:
(the second - the first) + (the third - the second) + (the fourth - the third) + ...
for each column.
So, I wrote something like this:
c <- list()
for(i in 1:ncol(mydata)) {
for(j in 2:nrow(mydata)) {
c[[i]] <- sum(yc[j,i] - yc[(j-1),i])
}}}
As for the columns it works pretty fine, but it only
2011 Sep 02
1
Mann Kendall Test for Trend
Hi there,
I'm trying to apply the Mann Kendall test for trend analysis of a time
series. I have downloaded and installed the package Kendall and
subsequently loaded it into the software.
My time series is a .txt file with 2 columns - column 1 is the year (1985 -
2009) and column 2 is the corresponding entry variable.
According to the R guidelines, the call should be:
MannKendall(x)
2009 Feb 13
2
Generate random numbers in Fortran
Hi!!!
It would like to know if it exists a form to use the functions to
generate variates in FORTRAN with the same easiness I use that them in
C? Or not?
If yes. They would have some example? I would like to use the functions rbeta, rlnorm and others!
Sorry my english..rsrsrs
Thanks!!!
Fábio Mathias Corrêa University Federal of the Lavras - Brazil
Veja quais são os
2009 Jun 25
2
How to draw a line in plot when I know the start point(x1, y1) and end point(x2, y2)?
Hello all,
How to draw a line in plot when I know the start point(x1,y1) and end point(x2,y2)? I need make this as additional information in the graph:
plot(wl2[[1]],wl2[[2]])
I think that is possible make this with the function abline(), is possible? I looked the function lines() too, but don't understand as make.
Thanks!
Lesandro
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2009 May 04
1
how to change nlme() contrast parametrization?
How to set the nlme() function to return the answer without the intercept parametrization?
#=========================================================================================
library(nlme)
Soybean[1:3, ]
(fm1Soy.lis <- nlsList(weight ~ SSlogis(Time, Asym, xmid, scal),
data = Soybean))
(fm1Soy.nlme <- nlme(fm1Soy.lis))
fm2Soy.nlme <- update(fm1Soy.nlme,
2009 Jun 11
2
How to order an data.table by values of an column?
Hello!
Can you help me? How to order an data.table by values of an column?
Per example:
Table no initial
Categ Perc
468 31.52
351 27.52
0 0.77
234 22.55
117 15.99
table final
Categ Perc
0 0.77
117 15.99
234 22.55
351 27.52
468 31.52
Lesandro
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2009 Jun 26
5
(performance) time in Windows vs Linux
Hi, all.
I began to migrate my R codes from Windows to Linux and surprised me
with an old question. I simplified the problem and made a little test to compare times at same
computer and the Linux time is worse (not so little) than Windows time:
28 vs 53 seconds.
I make an example (below) to facilitate all to see the difference.
I also build from source (it's my first time) a version of R to
2011 Mar 21
1
Kendall v MannKendall Functions
Hi,
I am running a correlation analysis on a temporal dataset. I was wondering
if you would receive the same tau and p values running the function:
MannKendall(x), where x is the dependant variable that changes with time
as you would running:
Kendall(d,x), where x is the exact same dataset as the x entered into
MannKendall and d is the date on which the observation was made (assuming
that
2009 Aug 20
3
categorized barplot
Dear useRs,
I can't seem to find out how to categorize my histogram.
I have the following dataset:
Time??????????? First.day? Second.day
08:00-10:00??????? 9?????????? ? 8
10:00-12:00?????? 13???????? ? 15
12:00-14:00??????? 9?????????? ? 9
14:00-16:00???????10????????? ? 9
I attached a jpeg file to this e-mail containing the sketches.
What I'd like to do is a barplot (or histogram),
2009 Apr 27
3
Diference between volume of mp3 and wav files
Hi,
I have some files in mp3 in my Asterisk but when I play it the volume is lo=
wer than wav files. Both the files (wav and mp3) are encoded with the same =
amplitude. In anothers players the audio volume of these files are equal.
Can I fix this diference between volume of mp3 and wav file?
Thanks
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2010 Feb 24
2
Problems with Linksys IP Phone SPA 942
Hi people,
I'm having problems of connection with a Linksys SPA IP PHONE 942 when I use the WAN port, most of the time when I try to connect to the network or restart the IP Phone I can't get internet connectivity . I tried using both static IP and DHCP, but the problem is the same. Some have had similar problem with this brand of IP Phone?
Thanks for the help and attention.
Hugs
2010 Apr 01
2
canary_thread
People,
Anybody knows what mean this message in my CLI:
[Apr 1 16:58:34] WARNING[3845]: asterisk.c:3050 canary_thread: The canary is no more. He has ceased to be! He's expired and gone to meet his maker! He's a stiff! Bereft of life, he rests in peace. His metabolic processes are now history! He's off the twig! He's kicked the bucket. He's shuffled off his mortal
2010 Mar 09
1
New Domain Controler (PDC) and Windows Profiles
Cheers !
My name is Pedro Ribeiro and I?m new here, but not so new with samba.
I have a question about new domain and what occurs with windows profiles.
I had a samba PDC that worked fine, but it?s broke now, so I created another samba PDC, with the same configs, but when an user try to login, a new profile is configured.
How can I create a samba PDC where a windows station can login and load
2009 Jan 20
1
Called's channel
Hi,
I have a question...
With the variable ${CHANNEL} I can get the channel whose made the call, or the caller. How can I get the channel of the called side?
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2010 Feb 02
1
# as dial key - chan_dahdi
Hi,
Can I set up '#' as dial key using the extensions fxs?
I use chan_dahdi, and a TDM400P card.
I'm testing and, nothing happens when I press #.
thanks.
--
Marcus
____________________________________________________________________________________
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2010 Apr 15
1
How can I record the conversations in a conference call?
Hello,
I wanna record the conversations in a conference call, anyone know how can I do it? I've already configurated a room on meetme.conf but I don't know as I can record the conversations.
I'm using SUSE 11 and Asterisk 1.6.2.
Thank you so much for help me.
Bye
____________________________________________________________________________________
Veja quais s?o os
2009 Aug 31
2
Problem in matrix definition?
I'm implementing a function to compute the moore-penrose inverse, using a code from the article: Fast Computation of Moore-Penrose Inverse Matrices. Neural Information Processing - Letters and Reviews. Vol.8, No.2, August 2005
However, the R presents an error message when I use the geninv.
The odd thing is that the error occurs for some arrays, however they have the same size. And the R
2009 May 11
1
Seewave options
Good afternoon,
My name is Thiago. I'm?a graduate student?and affiliated to an Anuran Bioacustic and Systematics Laboratory at UFU (Federal University of Uberl?ndia)?in Brazil.?The professor in charge of the?lab (Dr. Ariovaldo Antonio Giaretta) and I?have recently been?making use?of R, specially the packages Sound and Seewave so as to analize?anuran recordings. This software is just
2009 Apr 23
3
Record in mp3
Somebody knows if I can save files in mp3 with the Record command on Asterisk?
I try to recompile sox to suport mp3 but Asterisk return the folowing message when I use the Record command:
- Executing [*40 at liberado15:15] Record("SIP/1201-083453c8", "/var/spool/asterisk/alarme/alarme-1201-200905121212:mp3") in new stack
??? -- <SIP/1201-083453c8> Playing 'beep'
2009 Aug 12
2
Problem with function in fortran 95
I am writing a function in fortran 95, but the intrinsic function MATMUL is not working properly. Here's an example.
SUBROUTINE mymult(x,y,res,m,n)
IMPLICIT NONE
INTEGER :: m,n
REAL :: x, y, res
DIMENSION :: x(m,n), y(n,m), res(m,m)
res = MATMUL(x,y)
END SUBROUTINE mymult
R CMD SHLIB mat.f95
In R:
dyn.load("mat.so")
x <-