search for: padmanabhan

Displaying 20 results from an estimated 35 matches for "padmanabhan".

2011 Jun 18
3
how to subtract one string from another in R
...allow string subtraction.. any suggestions how to achieve this? string2<-string-string1 (it should now hold "DEFG HIJKLM NOPQ RSTUV WXY" I want to loop this till i reach the end of the original string.. stringn<-"WXY" Any help would be appreciated. Regards Vijayan Padmanabhan [[alternative HTML version deleted]]
2011 Apr 10
4
Password-protect R script files
...folder protection route, however making available such a method in the open forum would only kill the very spirit of R. But if someone is able to convince me the genuineness of his reasons to achieve such a purpose, I might decide to provide selective service to achieve the same. Regards Vijayan Padmanabhan [[alternative HTML version deleted]]
2011 Aug 04
2
random value generation with added constraint.
...nd SD, I am aware of rnorm function. However i am trying to build into this function one added constraint that all the random value generated should also obey the constraint that they only take values between say X to X+25 How do i do this in R? Any help would be highly appreciated,. Thanks Vijayan Padmanabhan [[alternative HTML version deleted]]
2012 Nov 15
3
GUI Development reg
...want to be able to select a few elements say my requirement is to select "A", "D" and "E" from the list and want to pass the selection into a new vector b, such that b<-c("A", "D" , "E") How do i do this in R? Regards Vijayan Padmanabhan "What is expressed without proof can be denied without proof" - Euclide. Please visit us at www.itcportal.com ****************************************************************************** This Communication is for the exclusive use of the intended recipient (s) and shall not attach a...
2012 Feb 27
1
win zip archive of library(HH) for R2.12.0
Dear R Group Can any body point me to a link from where I can get zip archive of the package HH for R 2.12.0? Thanks & Regards Vijayan Padmanabhan "What is expressed without proof can be denied without proof" - Euclide. Please visit us at www.itcportal.com ****************************************************************************** This Communication is for the exclusive use of the intended recipient (s) and shall not attach a...
2010 Sep 07
1
Help with repeating values in a column of dataframe in R on a random pattern- reg
...Eg. if the first row of that column has 0 and the second row of that column takes a value of 1 and third row of that column takes 0 again, for the next 3 rows of that column i would want this order differently say 1,0,0 and so on.. Can anybody help how i can acheive this. Thanks. Regards Vijayan Padmanabhan Can you avoid printing this? Think of the environment before printing the email. ------------------------------------------------------------------------------- Please visit us at www.itcportal.com ****************************************************************************** This Communication is...
2017 Jul 13
2
Help with R script
...ame, Fval) %>% arrange(indx) %>% mutate(x = paste(F1, F2, sep = ": ")) %>% select(x) %>% flatten_chr() It is not particularly nice or clever, but it gets the job done using R. HTH Ulrik On Thu, 13 Jul 2017 at 13:13 Vijayan Padmanabhan <V.Padmanabhan at itc.in> wrote: > > Dear R-help Group > > > Scenario 1: > I have a text file running to 1000 of lines...that > is like as follows: > > [922] "FieldName: Wk3PackSubMonth" > > [923]...
2010 Sep 22
2
randomForest - partialPlot - Reg
...ialPlot in R using the package "randomForest" the y-axis displays values that are more than -1! It is a classification problem that i was trying to address. Any insights as to how the y axis can display value more than -1 for some variables? Am i missing something! Thanks Regards Vijayan Padmanabhan Can you avoid printing this? Think of the environment before printing the email. ------------------------------------------------------------------------------- Please visit us at www.itcportal.com ****************************************************************************** This Communication i...
2017 Jul 14
0
Help with R script
...gt;% > mutate(x = paste(F1, F2, sep = ": ")) %>% > select(x) %>% > flatten_chr() > > It is not particularly nice or clever, but it gets the job done using > R. > > HTH > Ulrik > > On Thu, 13 Jul 2017 at 13:13 Vijayan Padmanabhan <V.Padmanabhan at itc.in > > > wrote: > > > > > Dear R-help Group > > > > > > Scenario 1: > > I have a text file running to 1000 of lines...that > > is like as follows: > > > > [922] "F...
2003 Aug 19
9
Variance Computing- - HELP!!!!!!!!!!!!!!!!!!
Hello, I am running a few simulations for clinical trial anlysis. I want some help regarding the following. We know trhat as the sample size increases, the variance should decrease, but I am getting some unexpected results. SO I ran a code (shown below) to check the validity of this. large<-array(1,c(1000,1000)) small<-array(1,c(100,1000)) for(i in
2011 Apr 02
4
help
...R and then attach existing files from my system as attachment into the newly created pdf file. Any help would be greatly appreciated.. Here is the command line script i want to execute from within R. pdftools -S "attachfiles=C:\test1.pdf" -i C:\test2.pdf -o C:\test4.pdf Regards Vijayan Padmanabhan [[alternative HTML version deleted]]
2012 Feb 14
1
help with matrix column cleaning
...I am looking at doing this in larger matrix objects using a function preferrably that i can apply to the matrix object to check for the beginning letter of each cell from each row and delete columns that have more than one row having the same start letter. Thanks for your help. Regards Vijayan Padmanabhan "What is expressed without proof can be denied without proof" - Euclide. Please visit us at www.itcportal.com ****************************************************************************** This Communication is for the exclusive use of the intended recipient (s) and shall not attach a...
2017 Jul 13
0
Help with R script
...l = "") %>% gather(F1, F2, FName, Fval) %>% arrange(indx) %>% mutate(x = paste(F1, F2, sep = ": ")) %>% select(x) %>% flatten_chr() It is not particularly nice or clever, but it gets the job done using R. HTH Ulrik On Thu, 13 Jul 2017 at 13:13 Vijayan Padmanabhan <V.Padmanabhan at itc.in> wrote: > > Dear R-help Group > > > Scenario 1: > I have a text file running to 1000 of lines...that > is like as follows: > > [922] "FieldName: Wk3PackSubMonth" > > [923] "FieldValue: Apr" > > [924] "...
2017 Jul 13
2
Help with R script
Dear R-help Group Scenario 1: I have a text file running to 1000 of lines...that is like as follows: [922] "FieldName: Wk3PackSubMonth" [923] "FieldValue: Apr" [924] "FieldName: Wk3PackSubYear" [925] "FieldValue: 2017" [926] "FieldName: Wk3Code1" [927] "FieldValue: " [928] "FieldValue: K4" [929] "FieldName:
2011 Jun 04
1
library(SenoMineR)- Triangle Test Query
...ector(design$Preference) triangle.test (design[,1:3], answer,preference) ##$pref output from the triangle.test function shows as follows: $pref 1 2 3 4 1 0 0 0 0 2 4 0 3 0 3 0 0 0 0 4 0 0 0 0 Any help in helping me identify what is going wrong here would be highly appreciated. Regards Vijayan Padmanabhan [[alternative HTML version deleted]]
2010 Sep 21
2
Query regarding Xen_ComputerSystem
Hi, Libvirt provides classes such as Xen_ComputerSystem, Xen_Processor etc., in order to build applications using libvirt-api which can interact with the Xen Hypervisor. I would like to know what are the corresponding classes for the KVM hypervisor, so that I can use libvirt-cim to communicate with the hypervisor. Would it be Kvm_ComputerSystem or Qemu_Computersystem? Any help in this regard
2012 Feb 21
0
add.cross.strata.test function query
...nd y how can i modify the htest argument in the above function to permit running chi-square on each strata? I know add.chi.squared() will help, but if i want to use the add.cross.strata.test, then what change in chi-squared function should i carry out to overcome this error? Regards Vijayan Padmanabhan Regards Vijayan Padmanabhan Please visit us at www.itcportal.com ****************************************************************************** This Communication is for the exclusive use of the intended recipient (s) and shall not attach any liability on the originator or ITC Ltd./its Subsidiar...
2010 May 17
1
Query on linear mixed model
...time points studied which products is superior? For Each Product is their a significant difference in the response variable across different time points of investigation? For Each Time Point is their a significant difference between the different products for the measured response? Regards Vijayan Padmanabhan Research Scientist, ITC R&D, Phase I, Peenya, Bangalore - 58 The Full R script is given below: MyData <- data.frame(Subj = factor(rep(c("S1", "S2", "S3"), 18)), Product = factor(rep(letters[1:3],each=3,54)), Arm = factor(rep(c("L","R"),each...
2011 May 26
1
dataframe - column value calculation in R
...2 1.414213562 Treatment2 1 1 32 2 3 9.110433579 Treatment2 1 2 35 1 3 10.24695077 Treatment2 2 1 34 2 3 7.071067812 Treatment2 2 2 28 2 1 1.414213562 Can someone help me figure out a way of acheiving this in R using a function call for the last column? Hope this example helps. Regards Vijayan Padmanabhan Please visit us at www.itcportal.com ****************************************************************************** This Communication is for the exclusive use of the intended recipient (s) and shall not attach any liability on the originator or ITC Ltd./its Subsidiaries/its Group Companies. If y...
2004 Mar 06
2
normal scores test
Hello, I need help in performing a Van_der_Waerden normal scores test in R. I have two arrays of scores(final on therapy scores from drug and placebo) and want to use the normal scores procdeure to test for significance. (observations are unequal in number - due to dropouts). Could you please help me out with the coding or let me know if there is a package that can be used (for example,