search for: kohli

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2008 Dec 26
3
Simulating dataset using Parallel Latent CTT model?
...r.pa(GenData$observed,1,scores = "TRUE", rotate="none") round(cor(FactorScore$scores,GenData$latent),2) (END) Please let me know if I am moving into the right direction, if not then, please let me know the correct way to simulate the dataset Thanks in Advance Regards, Nidhi Kohli *************************************** Nidhi Kohli, M.Ed. Doctoral Student Department of Measurement, Statistics and Evaluation University of Maryland 1230 Benjamin Building College Park, MD 20742-1115 e-mail: nidhik at umd.edu
2020 May 25
3
child killed by signal 6
...ight help: a11 fetch 1 all * 1 FETCH (RFC822.SIZE 16750 INTERNALDATE "22-May-2020 05:02:34 +0000" ENVELOPE ("Fri, 22 May 2020 03:46:54 +0000" "RE: Http2 tomact server taking time in responding when 1st StreamId is a large integer value like 2147483641" (("Prateek Kohli" NIL "prateek.kohli" "ericsson.com.INVALID")) (("Prateek Kohli" NIL "prateek.kohli" "ericsson.com.INVALID")) (("Tomcat Users List" NIL "users" "tomcat.apache.org")) (("Tomcat Users List" NIL "users&q...
2020 May 25
1
child killed by signal 6
...* 1 FETCH (RFC822.SIZE 16750 INTERNALDATE "22-May-2020 05:02:34 +0000" >> ENVELOPE ("Fri, 22 May 2020 03:46:54 +0000" "RE: Http2 tomact server >> taking time in responding when 1st StreamId is a large integer value >> like 2147483641" (("Prateek Kohli" NIL "prateek.kohli" >> "ericsson.com.INVALID")) (("Prateek Kohli" NIL "prateek.kohli" >> "ericsson.com.INVALID")) (("Tomcat Users List" NIL "users" >> "tomcat.apache.org")) (("Tomcat Users L...
2020 May 25
0
child killed by signal 6
...h 1 all > * 1 FETCH (RFC822.SIZE 16750 INTERNALDATE "22-May-2020 05:02:34 +0000" > ENVELOPE ("Fri, 22 May 2020 03:46:54 +0000" "RE: Http2 tomact server > taking time in responding when 1st StreamId is a large integer value > like 2147483641" (("Prateek Kohli" NIL "prateek.kohli" > "ericsson.com.INVALID")) (("Prateek Kohli" NIL "prateek.kohli" > "ericsson.com.INVALID")) (("Tomcat Users List" NIL "users" > "tomcat.apache.org")) (("Tomcat Users List" NI...
2009 Mar 22
1
Converting Matrix into List - problem (urgent)
...will be greatly appreciated (I'm open to any other alternative way to convert Matrix into List also) P.S. I have tried using row.names and col.names in the read.table function however getting error "col.names object not found". I don't know what does this mean Regards, Nidhi Kohli *************************************** Nidhi Kohli, M.Ed. Doctoral Student Department of Measurement, Statistics and Evaluation University of Maryland 1230 Benjamin Building College Park, MD 20742-1115 e-mail: nidhik at umd.edu
2009 Jan 10
2
Print specific matrix value???
...rs into beta.values beta.values = runif(n.items,-2,2) #Calculating Threshold thresh.values = .5 * beta.values #for (i in 1:10) #{ #Using the function to generate the data GenData <- congeneric.sim(N=500, loads = rep(.5,20), err=NULL, short = FALSE) Observed_Scores = GenData[1] Regards Nidhi Kohli
2011 Jan 07
1
print.citation, small bug?
Hi, I use Sweave extensively in my consulting work. When submitting reports to the scientists I work with I like to use the citation function to reference any packages I use, to give proper acknowledgement. I noted in the documentation that a citation inherits from bibentry, and indeed, > citr<- citation() > class(citr) [1] "citation" "bibentry" However, following
2012 May 15
1
How to Un-group a grouped data set?
Hello, R-fellows, I have a question that I really don't know how to solve. I have spent hours on line surfing for possible solutions but in veil. Please if anyone could help me handle this issue, you would be so appreciated! I have a "grouped" dataset like this: > data Study TX AEs N 1 1 1 3 5 2 1 0 2 7 3 2 1 1 10 4 2
2009 Feb 06
4
Upgrade R program (version 2.6.2) ???
Hi All, I downloaded the R program (version 2.6.2) in last Jan 2008. I now want to upgrade the program to its latest version, but I don't want to go through the process of deleting the existing version and downloading the new version. This is because my existing R program has numerous packages that I downloaded for my research work. I want to upgrade my R program with those packages in it. Is
2010 Aug 16
1
How can I read date format '02-Jan-02' ?
Hello, I am trying to read a database exported from SAS. It is form of csv, and the date format reads '02-Feb-99'. I used following code to convert character to date format, db$dob<-as.Date(db$dob, format="%d-%b-%y"). but it doesn't work, only seems NA. What's wrong with this code? Thank you in advance. Best, Dong-Hee Koh [[alternative HTML version deleted]]
2001 Sep 18
1
case weights in coxph (survival)
Hi, I am having trouble with the survival library, particualrily the coxph function. the following works coxph(jtree9$cph.call,z,rep(1,dim(z)[1])) Call: coxph(formula = jtree9$cph.call, data = z, weights = rep(1, dim(z)[1])) coef exp(coef) se(coef) z p SM 0.2574 1.294 0.0786 3.274 1.1e-03 Sex -0.1283 0.880 0.1809 -0.709
2002 May 09
3
read.table (PR#1535)
I downloaded the latest version of R (1.5.0) and issued a read.table() command that used to work with (1.3.1). Unfortunately I erased 1.3.1 from my hard drive after I downloaded R 1.5.0. Here's the command and the error message I get under 1.5.0: > golub1<-read.table("C:/Microarrays/code/data_set_ALL_AML_train.txt",sep="\t",q
2009 Sep 30
2
buglet in is.na?
Hi the following example I think demonstrates the inconsistency > f<-function(x) x > length(f) [1] 1 > is.na(f) [1] FALSE Warning message: In is.na(f) : is.na() applied to non-(list or vector) of type 'closure' The documentation states: Arguments x an R object to be tested. value a suitable index vector for use with x. And nowhere in the details was it implied (to me
2001 Sep 18
1
case weights-coxph (solved)
Hi, The following function does work optimize.W<-function(W,k,G,Groups,cph.call,z){ n<-length(Groups) grp.wt<-rep(0,n) for(i in 1:(length(G))){ ind<-Groups == G[i] if(G[i]!=k){ grp.wt[ind]<-W[i] } elsegrp.wt[ind]<-1 } z<-data.frame(cbind(z,grp.wt=grp.wt)) #needed to make the case weights #part of the data
2000 Sep 01
3
Object size in bytes
Hi, Is there a command that will give the total size of an R object in bytes? thanks Nicholas -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at
2003 Apr 04
2
Bug in %in% (match)
Hi, Am I hitting some limit in match? Consider the following example: > tst<-seq(100,125,by=.2)%in%seq(0,800,by=.1) > sum(tst) [1] 76 > seq(100,125,by=.2) [1] 100.0 100.2 100.4 100.6 100.8 101.0 101.2 101.4 101.6 101.8 102.0 102.2 [13] 102.4 102.6 102.8 103.0 103.2 103.4 103.6 103.8 104.0 104.2 104.4 104.6 [25] 104.8 105.0 105.2 105.4 105.6 105.8 106.0 106.2 106.4 106.6 106.8
2003 Apr 04
2
Bug in %in% (match)
Hi, Am I hitting some limit in match? Consider the following example: > tst<-seq(100,125,by=.2)%in%seq(0,800,by=.1) > sum(tst) [1] 76 > seq(100,125,by=.2) [1] 100.0 100.2 100.4 100.6 100.8 101.0 101.2 101.4 101.6 101.8 102.0 102.2 [13] 102.4 102.6 102.8 103.0 103.2 103.4 103.6 103.8 104.0 104.2 104.4 104.6 [25] 104.8 105.0 105.2 105.4 105.6 105.8 106.0 106.2 106.4 106.6 106.8
2004 Jun 25
2
Matrix: Help with syntax and comparison with SparseM
Hi, I am writing some basic smoothers in R for cleaning some spectral data. I wanted to see if I could get close to matlab for speed, so I was trying to compare SparseM with Matrix to see which could do the choleski decomposition the fastest. Here is the function using SparseM difsm <- function(y, lambda, d){ # Smoothing with a finite difference penalty # y: signal to be smoothed #
2010 Mar 01
2
Thougt I understood factors but??
Hi, consider the following > a<-gl(3,3,9) > a [1] 1 1 1 2 2 2 3 3 3 Levels: 1 2 3 > levels(a)<-3:1 > a [1] 3 3 3 2 2 2 1 1 1 Levels: 3 2 1 > a<-gl(3,3,9) > factor(a,levels=3:1) [1] 1 1 1 2 2 2 3 3 3 Levels: 3 2 1 It is probably something obvious I missed, but reading the documentation of factor, and levels I would have thought that both should produce the same output as
2009 Mar 18
4
Search Results into new table
I have a search form on my rails site. once the a user has entered a query it displays the results in a table with an extra field button so it can be added to there own portfolio called add to my stocks. How do i get the data for the stock they want to add and put this into a new table called mystocks. Is using a form submit button the right choice? Any examples much appreciated Regards Nick