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Displaying 20 results from an estimated 20000 matches similar to: "About How to check if a html directory exists"

2012 Jun 06
1
How to label certain values on a curve?
Hi all, I have drawn a curve in R and observed some interesting values, I wonder if there is any method to mark certain values on this curve, so that I can manually choose the point and know the exact value of this point simultaneously? I appreciate your suggestions and advice! Thanks a lot! Wendy [[alternative HTML version deleted]]
2011 Aug 20
2
reshape a matrix
Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(100000,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows and 'control' and 'sample'
2010 Jul 19
1
Calculation of Covariance Matrix Calculation
Hi, Excuse me for asking this silly question. But I really couldn't understand why cov() and ccov() don't work for my calculation of covariance matrix. a <- matrix(1:8, 2, 4) a [,1] [,2] [,3] [,4] [1,] 1 3 5 7 [2,] 2 4 6 8 > ccov(a) Error in solve.default(cov, ...) : Lapack routine dgesv: system is exactly singular I also tried colume bind, but it
2010 Feb 21
4
replicate matrix
Hi all, I have a matrix, for example [,1] [,2] [1,] 1 3 [2,] 4 6 I want to replicate the matrix twice and add an extra column at the end, which is [,1] [,2] [,3] [,4] [,5] [,6] [,7] [1,] 1 3 1 3 1 3 2 [2,] 4 6 4 6 4 6 5 I found 'rep' only works for vector. Does anyone know how to replicate a matrix, and append the matrix?
2006 Sep 18
7
smb.conf
Hi all My client want a shared folder so that only two people can access and write to it. I added the following to my smb.conf [private] writeble = yes guest ok = no path = /home/samba/private valid users = wendy, pierre write list = wendy, pierre force user = nobody All i need yo do now is make the folder "private" to nobody. How would i go on by doing that and would this work.
2002 Jul 25
1
OpenSSH 3.4p1's top level .cvsignore file
anyone who can help me understand- one of my developers reimported openssh snapshot from 0722 into cvs. he sent me the following email about an error he believes is in the snapshot i'm not a cvs-knowledgeable person, so i'm not all that clear on this, but should *.in files be in .cvsignore? i tried checking a later snapshot, but 0722 seems to be the latest one. .cvsignore is dated jun
2016 Dec 08
1
[PATCH 1/2] virtio_ring: Do not call dma_map_page if sg is already mapped.
On Wed, Dec 07, 2016 at 10:59:12PM -0800, Wendy Liang wrote: > If sg is already dma mapped, do not call dma_map_page() in > vring_map_one_sg(). > > In case of rpmsg, rpmsg uses dma_alloc_coherent() to allocate > memory to share with the remote. There is no pages setup > in dma_alloc_coherent(). > > In this case, we cannot convert the virtual address back to the >
2016 Dec 08
1
[PATCH 1/2] virtio_ring: Do not call dma_map_page if sg is already mapped.
On Wed, Dec 07, 2016 at 10:59:12PM -0800, Wendy Liang wrote: > If sg is already dma mapped, do not call dma_map_page() in > vring_map_one_sg(). > > In case of rpmsg, rpmsg uses dma_alloc_coherent() to allocate > memory to share with the remote. There is no pages setup > in dma_alloc_coherent(). > > In this case, we cannot convert the virtual address back to the >
2002 Feb 01
2
/dev/urandom
if i want to learn more about implementing a /dev/urandom, where would be a good place to start? thanks, wendy -- wendy palm Cray OS Sustaining Engineering, Cray Inc. wendyp at cray.com, 651-605-9154
2003 Apr 22
1
GSS-API
simon- any luck with that GSS-API patch for 3.6.1? ben/markus/whoever - will this ever be added to source? thanks, wendy -- wendy palm Cray OS Sustaining Engineering, Cray Inc. wendyp at cray.com, 651-605-9154
2001 Aug 07
1
do_pre_login() used before declared
do_pre_login() in session.c is used (in do_exec_pty()) before it's declared, which is causing some problems for me. please move it up a couple hundred lines in the file. patch included for 0807 snapshot. thanks, wendy % diff -u session.c.orig session.c.mod --- session.c.orig Tue Aug 7 13:11:51 2001 +++ session.c.mod Tue Aug 7 16:21:07 2001 @@ -397,6 +397,34 @@ } }
2017 Jun 13
0
[FORGED] IF LOOOP
On 14/06/17 08:46, matthias worni wrote: > Hey > > This should be a rather simple quesiton for some of you. I want to make > some progress in looping... > I have the vector r, which contains single values --> see below: > > r > [1] 1.1717118 1.1605215 1.1522907 1.1422830 1.1065277 1.1165451 1.1163768 > 1.1048872 1.0848836 1.0627211 > [11] 1.0300964 1.0296879
2010 Nov 28
2
weighted x variables with glm
I have a glm regression (quasi-poisson) of log(mu) on x but I have varying degrees of confidence in the x values, and can attach a numerical weighting to each. Can anyone help me with suggestions of how to analysise this. Is there an R package that would help? Wendy [[alternative HTML version deleted]]
2011 Oct 30
3
element-by-element comparison
Hi, I have a vector and a matrix. For example, A = [ 12 3 4]; B = [ 4 13 10 2 4 8]; I am comparing A to each column of B using A>B[,ii], so the expected result is C = [ 1 0 0 1 0 0]; I am looking for a way to do this quickly instead of going through the for loop, but haven't had any luck yet? Any advice is appreciated. Thank you very much. Wendy
2011 Aug 31
2
How to expand LVM without create new drive?
I now how to expand a LVM by creating a new drive as described here: http://lists.centos.org/pipermail/centos/2007-February/032664.html, the steps are: # pvcreate /dev/sda3 # vgextend VolGroup00 /dev/sda3 Now, I want to know how to expand a LVM without create /dev/sda3? Suppose I have 2 GB free (unpartitioned) and LVM use /dev/sda2 (8 GB). How to make /dev/sda2 become 10 GB? Then resize LVM
2010 Feb 22
2
change email subscription
Dear R team, As this is a university email address with very small inbox limit, can I please change my R email subscription to another email address instead of this one? My new email address is wendy2.qiao@gmail.com. I have change my email in my profile, but seems that does not change my subscription. Thank you. Wendy [[alternative HTML version deleted]]
2011 Apr 10
3
count number of TRUEs in each row
Hi all, I have a huge matrix of TRUE/FALSE table like following, and I want to count the number of TRUEs in each row. Instead of looping through each row and do length(Z[Z==TRUE]), I am wondering if there is an easier way of doing this. [,1] [,2] [,3] [1,]TRUE FALSE FALSE [2,]FALSE TRUE TRUE Thank you in advance. Wendy -- View this message in context:
2011 Dec 01
2
permutate elements in a vector
Hi all, I have a vector, e.g., A = c(10, 20, 30, 40). This 4 numbers have 4! = 24 different combination. I want to generate a matrix with one combination in one row, so the output would be B = 10 20 30 40 10 40 20 30 ... Does anyone know how to do this easily in R? Thank you very much. Wendy -- View this message in context:
2011 Nov 01
4
round up a number to 10^4
Hi all, I have a list of numbers, e.g., X = c(60593.23, 71631.17, 75320.1), and want to round them so the output is Y = c(60000, 80000, 80000). I tried Y<-round(X,-4), but it gives me Y = c(60000, 70000, 80000). Do anybody know how to round up a number to 10^4? Thank you in advance. Wendy -- View this message in context:
2016 Dec 06
2
[RFC LINUX PATCH 0/2] Virtio ring works with DMA coherent memory
RPMsg uses dma_alloc_coherent() to allocate memory to shared with the remote. In this case, as there is no pages setup in the dma_alloc_coherent(), we cannot get the physical address back from the virtual address, and thus, we can set the sg_dma_addr to store the DMA address and mark it already DMA mapped. When virtio vring sees the sg_dma_addr is ready set, do not call dma_map_page(). The issue