similar to: convert vector to matrix

Hello All, I have 8 variables named a b c d e f g h I need to create four variables from these 8 vraibles in R. the new variables are ab,cd,ef,gh. Can anyone pleas help me thanks, Pratap --------------------------------- [[alternative HTML version deleted]]

Hi Users, This is regarding the paired t-test. I have 5 variables (say) Data$v1,Data$v2,Data$v3,Data$v4,Data$v5 in my data frame. Now, I need to perform a paired t-test on all the possible 10 pairs.How do I set up the pairs table directly and pass those variables in to t-test. Thanks in advance, Pratap --------------------------------- Now you can chat without

Hi All, Is there a way we can delete the empty white space around when we generate any graph/map using R? The final output should be onaly a picture with no white spaces all around. Cheers, Pratap --------------------------------- 5, 50, 500, 5000 - Store N number of mails in your inbox. Click here. [[alternative HTML version deleted]]

Hi, Could anyone tell me what is the command used in R to do 1. Differentiation 2. Newton Raphson method (Numerical Analysis in general...) Are there any packages separately for this? Thanks for your help! BR, Shubha [[alternative HTML version deleted]]

Hi All, Can some one explain me the following error- " Error in "names<-.default" 'names' attribute [1199] must be the same length as the vector [17]". Thanks, Pratap --------------------------------- [[alternative HTML version deleted]]

Dear R wizes, I have a data.frame of species abundances with column names consisting of 4 letter codes then an underscore and a number like this: abco_1, abco_2, abco_3, psm_1, psme_2, psme_3, etc. I would like to get an identifier for all the abco, and psme and other species etc. I used spec.fact<-substring(names(spec.count),1,4) To make a vector of the first 4 letters of

Hello together, i have a data.frame, like this one: No. Change Date A 123 final 2013-01-15 B 123 error 2013-01-16 C 123 bug fixed 2013-01-17 D 111 final 2013-01-12 and now a want a new data.frame which includes

Hi All, In openssh, do we support multi-channeling? Rather than opening a new TCP socket for each SSH connection, all the SSH connections are multiplexed into one TCP connection. If so, from which version , do openssh supports it? Thanks Ravi Pratap

Hello, from time to time I keep getting problems with some emails causing signal 6. I've already reported those, but it seems not to be easy to find the cause. From the logs, it seems to occur in sieve implementation. I've checked the email envelopes tody by accident, probably this part of my telnet session might help: a11 fetch 1 all * 1 FETCH (RFC822.SIZE 16750 INTERNALDATE

Hi All, During scp, I am seeing this message protocol error : expected control record This message came because scp sink was expecting the message starting from 'C' or 'D' , something like C0644 299 group or D0755 0 docs but during dns query we were printing "Using IP address" message on the stdout. So , the message in the buffer was "Using IP address" and

I am a partner at Assembla, a software services group that helps companies make use of open source techniques and software. We have been asked by a company in the financial services sector to provide support for their use of R, Rmetrics and possibly SciViews. I am trying to locate other companies in the financial services industry that might be interested in commercial support for R, Rmetrics

On 25/05/2020 12:06, Aki Tuomi wrote: >> On 25/05/2020 13:00 Peter Nabbefeld <peter.nabbefeld at gmx.de> wrote: >> >> >> Hello, >> >> from time to time I keep getting problems with some emails causing >> signal 6. I've already reported those, but it seems not to be easy to >> find the cause. From the logs, it seems to occur in sieve

Hi, I have developed one application using ggmap package.It is based on google map. I am a bit confused regarding its licensing terms.I want to know that can i use it with my other applications. Is it legal? -- With Regards, Narendra Pratap Principal Research Developer Hitech Robotic Systemz Ltd. [[alternative HTML version deleted]]

Hi eveyone, Is there a way to set the minimum size accepted by sshd as an RSA public key? I want to restrict users to using RSA keys that are generated with ssh-keygen -b 2048 or greater. I didn't see any option in sshd_config. There is a ServerKeyBits option, but that seems to apply only for SSHv1. Please help me and provide your response.Thanks in advance. Regards Ravi Pratap

Hello Everyone, I am writing code to test derive_keys functionality. The function signature is: static u_char * derive_key(Kex *kex, int id, u_int need, u_char *hash, u_int hashlen, BIGNUM *shared_secret) Now, the input which is provided to us is K(share_secret) as an array of characters. H(Hash) as an array of characters. Session_id as an array of characters Now, first I converted hash

Hi All, I have 2 data frames as follows: a b c 1 NA 1 2 NA 2 NA 3 3 So "a", "b" are the input values and "c" is the output which I am interested in. NA - Missing values. I used rbind, but its not working. Let me know if anyone can help me Thanks, Pratap --------------------------------- [[alternative

Hi, well i mounted the OCFS drive over nfs, but it seems to have problems with it, because the NFS does not detect changes (if I add or delete files) the nfs shares still shows the old status. If i delete a file on the OCFS volume, and i am doing a "ls" on one of the nfs clients, it says for every file which was on the ocfs, "no such file or directory". Did I miss

Hi Guys I am Abhishek, primarily a bioinformatician. I have recently started using a lot of R thanks to some excellent packages available. Lately I have felt the need to batch process few of the R scripts I have been working with and strangely enough I am not able to find a good resource on how to best do this. I did find few old threads on the archives but none convinced me much. So here I am

Hi Guys I am want to join to strings in R. I am using paste but not getting desirable result. For the sake of clarity, a quick example: > a="Bio" > b="iology" > paste(a,b) [1] "Bio iology" *There is a SPACE in the word biology which is what I dont want * Thanks, -Abhi [[alternative HTML version deleted]]

Hi All I have a vector of about 15 million numbers which I would like to plot. The goal is the see the distribution. I tired the usual steps. 1. Histogram : never gets complete my window freezes w/out log base 10 2. Density : I first calculated the kernel density and then plotted it which worked. It would be nice to superimpose histogram with density but as of now I am not able to get this