Displaying 20 results from an estimated 90 matches 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
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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