Displaying 20 results from an estimated 110 matches similar to: "When I cbind the POSIXct gets lost"
2008 Jun 09
2
Plot timer in a for loop
Hello,
This code works fine but is so fast I can't see anything but the last plot.
for (i in nrow(X)){
plot(as.numeric(d[i,])) }
I'd like to view a plot every 500 milliseconds, nrow(X) = 400. How?
Thanks
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2008 Feb 27
4
Error in cor.default(x1, x2) : missing observations in cov/cor
Hello,
I'm trying to do cor(x1,x2) and I get the following error:
Error in cor.default(x1, x2) : missing observations in cov/cor
A few things:
1. I've used cor() many times and have never encountered this error.
2. length(x1) = length(x2)
3. is.numeric(x1) = is.numeric(x2) = TRUE
4. which(is.na(x1)) = which(is.na(x2)) = integer(0) {the same goes for
is.nan()}
5. I also try
2016 Mar 11
2
Forward only specific identities
Hi OpenSSH peeps!
I have looked around a few man pages and the usual sources of
information but I can't seem to find a way to only forward specific
identities to some hosts. What I would really like to have is a way to
only forward the identity that gave me a successful auth:
% ls ~/.ssh | grep .pub
id_ecdsa.pub
id_ed25519.pub
id_rsa.pub
% cat .ssh/config
Host example.com:
2007 Oct 26
2
calculating correlation of a Supply/Demand measure and price change (in high frequency time series data)
Regarding "financial" data: I have a high frequency (1 minute) measure of
supply/demand and I'd like to know if it has any influence on short term
price changes (also 1 minute).
Question: How do I calculate the correlation between this supply/demand
measure and price changes (correctly)?
Some facts about that data:
The price changes and supply/demand measure are non-normal. An
2007 Sep 19
53
enterprise scale redundant Solaris 10/ZFS server providing NFSv4/CIFS
We are looking for a replacement enterprise file system to handle storage
needs for our campus. For the past 10 years, we have been happily using DFS
(the distributed file system component of DCE), but unfortunately IBM
killed off that product and we have been running without support for over a
year now. We have looked at a variety of possible options, none of which
have proven fruitful. We are
2007 Sep 14
10
Mixing SATA & PATA Drives
I suspect it''s probably not a good idea but I was wondering if someone
could clarify the details.
I have 4 250G SATA(150) disks and 1 250G PATA(133) disk. Would it
cause problems if I created a raidz1 pool across all 5 drives?
I know the PATA drive is slower so would it slow the access across the
whole pool or just when accessing that disk?
Thanks for your input.
- Chris
2008 Mar 11
4
Graphing question (multiple line graphs arranged spatially)
station month bas
190 5 0.000
190 7 1.563
190 10 0.000
190 11 0.000
202 4 18.750
202 5 18.750
202 7 6.250
202 10 4.800
202 11 3.125
198 4 18.750
198 5 31.250
198 7 3.125
198 10 3.200
198 11 12.500
205 4 0.000
205 5 0.000
205 7 0.000
2008 Mar 09
1
question for crosstable
Good evening R-users!
I have the following problem: i want to get a weighted crosstable along with the adjusted standardized residuals test
Example:
a<-c(1,1,1,1,1,2,2,2,3,3)
b<-c(10,10,23,24,33,45,46,70,21,66)
c<-c(3,3,2,3,4,1,1,1,3,3)
d<-c("a", "b","b","c","a","a","a", "b",
2008 Mar 11
2
persp question
someone sent in a question earlier about doing
something in 3D so i took a stab at it purely
for educational purposes ( i'm not even sure that I understood the question actually ).
Unfortunately, persp gives me an error that I don't understand because it says "object y not found". I'm sending y in as a parameter to persp similar to what ?persp shows in one of oits examples
2018 Mar 15
2
Vary an equation using values from a sequence
Hi All,
I have a vector of data on which I am operating. The equation with which I want to operate on the vector has a value k. I want to run the equation and output a new vector, each time replacing k with each value from the sequence I defined. I have thought about using for loops and such, but this seems like overkill. I am wondering if there is a simple solution that would allow me to
2008 Jun 04
1
Similar question about subsetting data
This is just a slight modification of a question I asked earlier. Thanks to all the responders.
I have a data set(Bill) of with 1 variable (var1), with 100 obs that are in ascending order. I want to sample every 10 observations and save them in 10 different groups such as Group1 is obs 1-10 Group 2 is obs-11-20 .... Subset data into the 10 groups, then calculate the mean/0.8 of var1 for each
2001 May 09
1
Buffer overrun using W2k.
We recently upgraded our NT4 Domain to Win2k.
We use Samba 2.0.7 running on Solaris 2.6 servers.
We are getting buffer overuns in the log files when running
'domain_client_validate' which appears to be due to extensive group
membership (SID History is not being used).
Are there any patches/fixes available to get round this problem?
Thankyou in anticipation.
Regards,
Rich Sprigg
2018 Mar 15
0
Vary an equation using values from a sequence
I thnk what you want is ?outer. e.g.:
outer(Data -min(Data),value,FUN = "+")
Whether this works for your real task, however, may depend on details and
complexities that you have omitted.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom
2018 Mar 16
1
Help on multi-line plot
Hello R-Users
I am struggling with this line plot, it might be simple but I am missing
something here.
First of all I want to make multiple line plots across seasons
(DJF,MAM,JJA,SON) for 12 variables (here, called nodes) and fill them with
the node.
So that season=x-axis, node=line col and freq=y-axis.
My plot currently links all DJFs, MAMs, JJAs and SONs, however I will like
them to be
2011 Feb 07
1
Four paramete logistics.
Hi,
I have to do a four point logistics for a dataset. All I have is the
absorbance value for different proteins and need to get the four Point
values. I have no idea where to start.
Any suggestions would be much helpful.
Thanks
Ramya
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2008 Mar 10
1
reorder x-axis
read.table("bug.txt", header=TRUE)
plotMeans(bug$tot, bug$station, error.bars="se", main="Total")
The plot is ordered in this way HC RM190 RM198 RM202.
I would like it to plot in this way HC RM202 RM198 RM190.
thanks
Stephen
Is this okay or would you like the data to be copied and pasted into
the message body. I am trying to optimize my postings.
--
Let's
2007 Sep 25
23
device alias
Hi. I''d like to request a feature be added to zfs. Currently, on
SAN attached disk, zpool shows up with a big WWN for the disk. If
ZFS (or the zpool command, in particular) had a text field for
arbitrary information, it would be possible to add something that
would indicate what LUN on what array the disk in question might be.
This would make troubleshooting and general
2018 Mar 21
0
Vary an equation using values from a sequence
It depends a bit on what you plan to do with the results. A loop would be easy and straightforward:
> k <- 1:5
> for(k in 1:5) print(Data - min(Data) + k)
[1] 1 2 3 4 5 6 7 8 9 10
[1] 2 3 4 5 6 7 8 9 10 11
[1] 3 4 5 6 7 8 9 10 11 12
[1] 4 5 6 7 8 9 10 11 12 13
[1] 5 6 7 8 9 10 11 12 13 14
Or you can use sapply() to hide the loop:
> sapply(1:5,
2004 Oct 20
0
Performance problems using "ls -al" together with winbind
Hi friends of SAMBA,
I'm using SAMBA 3.0.0 on a Linux and SAMBA 3.0.6 on a Solaris server (my
problems are independent from the SAMBA version, I guess).
Following entries are existing in /etc/nsswitch.conf:
....
passwd: files winbind
group: files winbind
...
"getent group" produces following output:
...
domain1\group1:x:10000:<here is a list of 125.000 users>
2007 Oct 02
53
Direct I/O ability with zfs?
We are using MySQL, and love the idea of using zfs for this. We are used to using Direct I/O to bypass file system caching (let the DB do this). Does this exist for zfs?
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