Displaying 20 results from an estimated 8000 matches similar to: "Loading messages"
2005 Oct 06
4
Backup Maildir
Hi All,
I'm currently doing nightly full backups of /home. I'm not sure if a
full back up is the best way to do backups. I know with my
fileserver i do weekly full backup and daily incremental which would
file on those type of files. I guess my question to the group is,
how do you guys backup Maildir? whats the best way of doing it?
--
Gabe Granger
Pancentric
results-driven
2011 Apr 14
1
Automatically extract info from Granger causality output
Dear Community,
this is my first programming in R and I am stuck with a problem. I
have the following code which automatically calculates Granger
causalities from a variable, say e.g. "bs" as below, to all other
variables in the data frame:
log.returns<-as.data.frame( lapply(daten, function(x) diff(log(ts(x)))))
y1<-log.returns$bs
y2<- log.returns[,!(names(log.returns) %in%
2005 May 11
3
Dovecot Sendmail Maildir
Hi all,
I'm using Debian (testing) for my office mail. I'm using sendmail
and Dovecot to deliver email to clients over IMAP using mbox format.
I want to move over and start using Maildir. I know that I can use
different MTA's to do the job, but I really like sendmail, and I run
additional sendmail servers across the my internal and external
networks. I'm probably
2011 Mar 03
2
Multivariate Granger Causality Tests
Dear Community,
For my masters thesis I need to perform a multivariate granger causality
test. I have found a code for bivariate testing on this page
(http://www.econ.uiuc.edu/~econ472/granger.R.txt), which I think would not
be useful for the multivariate case. Does anybody know a code for a
multivariate granger causality test. Thank you in advance.
Best Regards
--
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2007 Apr 09
1
Modified Sims test
Does anyone know of a package that includes the Modified Sims test
[Gewerke, 1983, Sims, 1972]?
This test is used in econometrics and is a kind of alternative to the
Granger test [Granger, 1969], which is in the package lmtest.
Thanks in advance,
chris
Refernces:
Gewerke, J., R. Meese, and W. Dent (1983), "Comparing Alternative Tests
of Causality in Temporal Systems: Analytic Results and
2005 Mar 17
2
strange email client problems
I've got some issues with dovecot, that I need to resolve, I only have
about 20 users in the office, but the average disk space used by each
user is anywhere from 1GB up to at the extreme end of the scale 7GB.
I'm using the mailbox format. The server is a P4 2.8 with a 1GB of ram
and run off 250GB SATA disks. most users have lots of structured
folders going as deep as 6 levels.
2010 Dec 01
1
Wiener-Granger Causality Test in R
Hello dudes.
I'm developing VAR analysis based on suggestions made by Horváth in its
paper Canonical Correlation Analysis and Wiener-Granger Causality Tests.
That's the reason I'm looking for if there's any R package to develop Wiener
- Granger Causality Test.
Thanks a lot for your unvaluable help.
Regards from Mexico
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2008 Jul 02
2
Optimal lag selection in Granger Causality tests
Dear R Users,
Can someone point me to a R package which will help me optimally choose a
lag for Granger Causality testing ?
Many thanks in advance,
Tolga
Generally, this communication is for informational purposes only
and it is not intended as an offer or solicitation for the purchase
or sale of any financial instrument or as an official confirmation
of any transaction. In the event you are
2011 Apr 04
1
Granger Causality in a VAR Model
Dear Community,
I am new to R and have a question concerning the causality () test in
the vars package. I need to test whether, say, the variable y Granger
causes the variable x, given z as a control variable.
I estimated the VAR model as follows: >model<-VAR(cbind(x,y,z),p=2)
Then I did the following: >causality(model, cause="y"). I thing this
tests the Granger causality of
2008 Aug 17
2
grangertest/lmtest ... what am I doing wrong ?
Dear Achim, R Users,
What am I doing wrong in this example ?
a<-zoo(rnorm(100),order.by=1:100)
b<-lag(a)
regr<-na.exclude(merge(a,b))
plot(regr)
grangertest(regr[,1],regr[,2],3)
> a<-zoo(rnorm(100),order.by=1:100)
> b<-lag(a)
> regr<-na.exclude(merge(a,b))
> plot(regr)
> grangertest(regr[,1],regr[,2],3)
Error in solve(vc[ovar, ovar]) : subscript out of bounds
2008 Jun 28
1
Converting the results of granger.test into a matrix
Dear R Users,
The granger.test command in the MSBVAR package estimates all possible
bivariate Granger causality tests for m variables. If one passes a data
frame with 3 rows, it returns 6 granger tests in two rows, one for the
F-statistic and another for the p-value.
For example:
> a<-rnorm(1:10)
> b<-c(lag(a),rnorm(1))
> c<-c(lag(b),rnorm(1))
>
2008 Dec 15
4
Is = now the same as <- in assigning values
I?m a PhD student at the University of Warsaw, and have started using R.
In many books they specify to use <- instead of = when assigning
values, and this is also mentioned in older posts on the R website.
However, it seams to me that some update has occured, becuase I
continously get the same result wether I use <- or =.
I would be extremely helpful for any answer to this.
= seams more
2012 Oct 17
2
Disconnected for inactivity time.
Hello,
After 10 mins of unactivity of pop3 , dovecot disconnect the user (-ERR
Disconnected for inactivity.)
What is the option in the config file which control the unactivity
logout time ? becuase i want to decrease the inactivity time
To 5 mins instead of 10 mins
Please advise
Robert JR
2006 Aug 16
2
Jabber installation Guide
Hi guys,
Is there any guide on how to install Jabbe on a windows small business
server?
Charles
--
"It is unwise to pay to much, but it is worse to pay too little; you
sometimes lose everything becuase the thing you bought was incapable of
doing the thing it was bought to do"
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2007 Jul 31
2
ownership
not sure if i misunderstood the documentation but my understanding is
the -a option preserves ownership and permissions on transfer.
i did a remote test and i see ownership changed
is that becuase user does not exist in the remote box
4.0K drwxr-xr-x 14 zoe zoe 4.0K 2007-07-15 08:08 zoe
but in the remote system they changed to
4.0K drwxr-x--- 8 boricua users 4.0K 2007-05-02 11:07
2004 Feb 19
2
New to Samba
I am new to samba but becuase I use squid and I want to track my authenticated users I installed samba 3 but keep hitting dead ends on how to add it to the domain etc. I can't seem to even get the smbd to startup. I got swat keying into the smb.conf but it ended up in another directory so I don't think that is configured. I can't even find good documentation to see if samba is even
2004 Jan 30
2
WINS, must be master browser?
i have an NT4 server and a linux samba server. the NT4 server is
currently the WINS server. it works perfectly. i want to ditch it and
use my samba server as the WINS server, however WINS simply does not
work. could this be becuase the WINS server also needs to be the local
master browser?
here is the global section of my smb.conf
[global]
workgroup = laboratory
os level = 2
2010 Aug 23
2
Engle Granger Test in R
Hi,
Please tell me the R codes for Engle Granger Test of cointegration.
TIA
Aditya
2009 Nov 16
2
test for causality
Hi useRs..
I cant figure out how to test for causality using causality() in vars
package
I have two datasets (A, B) and i want to test if A (Granger)cause B.
How do I write the script? I dont understand ?causality. How do I get x to
"contain" A and B. Further using the command VAR() to specify x, I dont
either understand.
Kind regards Tobias
--
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2009 Jul 08
7
install totaly messed up
I have just moved to a new server and transfered all my files over etc and also installed wine using yum, however I had a script on my site that used wine (via exec command) that no longer worked after the transfer to the new server.
I tried a few things on the server thinking it was a problem with current setup but got nowhere, I then uninstalled wine via "yum erase wine" and