search for: koh

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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...
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...
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"...
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?
...tyle, ...) invisible(x) } Then the default is still printing a citation, but other print methods are available. Thanks Nicholas -- "The bear and the goat were married and lived together until the end of their days. Either the goat went mad or the bear became sane." Nicholas Lewin-Koh Genentech [[alternative HTML version deleted]]
2012 May 15
1
How to Un-group a grouped data set?
..., rep(data[i,2], data[i,4]), rep(0:1, c(data[i,4] - data[i,3],data[i,3]))) d = matrix(d, data[i,4],3) d } then: Data = lapply(1:6, subset) Data Therefore, I tried to write a loop. But no matter how I tried, I can't get what I want. Any idea? Thank you so much! Best, -- Cheenghee Masaki Koh, MSW, MS(c), PhD Student School of Social Service Administration Department of Health Studies, Division of Biological Science University of Chicago [[alternative HTML version deleted]]
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' ?
...AS. 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)
...or [1] "3.1" $year [1] "2001" $month [1] "08" $day [1] "31" $language [1] "R" I am also using the most recent version of survival from cran. Thanks Nicholas CH3 | N Nicholas Lewin-Koh / \ Dept of Statistics N----C C==O Program in Ecology and Evolutionary Biology || || | Iowa State University || || | Ames, IA 50011 CH C N--CH3 http://www.public.iastate.edu/~nlewin...
2002 May 09
3
read.table (PR#1535)
I downloaded the latest version of R (1.5.0) and issued a read.table() command that used to work with (1.3.1). Unfortunately I erased 1.3.1 from my hard drive after I downloaded R 1.5.0. Here's the command and the error message I get under 1.5.0: > golub1<-read.table("C:/Microarrays/code/data_set_ALL_AML_train.txt",sep="\t",q
2009 Sep 30
2
buglet in is.na?
Hi the following example I think demonstrates the inconsistency > f<-function(x) x > length(f) [1] 1 > is.na(f) [1] FALSE Warning message: In is.na(f) : is.na() applied to non-(list or vector) of type 'closure' The documentation states: Arguments x an R object to be tested. value a suitable index vector for use with x. And nowhere in the details was it implied (to me
2001 Sep 18
1
case weights-coxph (solved)
....call,z,grp.wt,na.action=na.omit,singular.ok=T) sum(mod$residuals^2) } I wouldn't call this a bug, but shouldn't the case weights be a separate vector if the user so desires? Nicholas CH3 | N Nicholas Lewin-Koh / \ Dept of Statistics N----C C==O Program in Ecology and Evolutionary Biology || || | Iowa State University || || | Ames, IA 50011 CH C N--CH3 http://www.public.iastate.edu/~nlewin...
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