Displaying 20 results from an estimated 98 matches for "cand".
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2008 Nov 26
1
Creating a vector based on lookup function
I am still searching for a solution to what i think is a simple problem i am
having with building a vector in a for loop. I have built a more
understandable example so hopefully that will help..help you, help me, if
you know what i mean.
dev=400
#test location model TAZs to reference
cands=c(101,105,109)
#Create Object of length of cands
candslength=length(cands)
#TEST TAZ Vector
CANDS=(100:110)
#Test Dev Vector
TAZDEVS=c(120,220,320,420,520,620,720,820,920,1020,1120)
#Creates datframe of CANDS and DEVS
TAZLIST=data.frame(CANDS,TAZDEVS)
for(i in 1:candslength){
cand=cands...
2006 Jun 14
3
appending
...sier way to
collect the measurements via appendinng the 6 measurements each time to
the current set? I couldn't find anything in Intro to R on appending.
cheers,
Dave
ps - please respond directly to afshar at miami.edu
creatine.function.new = function(delta.0.Y.0, gamma, comp.LIS.frm,
comp.CAND.frm) { ## function to calcuate the delta.i, i.e. the percent
## leftover ## gamma = rate of Cr going into bucket, e.g., mg/hr ##
delta.0.Y.0 = product of delta.0 and Y.0 at baseline ##
Y.1 = delta.0.Y.0 + gamma
delta = numeric(6)
delta.patient = numeric(24)
delta.patient.comb = numeric(144)
##
for...
2012 Feb 13
2
R's AIC values differ from published values
...odel )
64.312
which can be converted to AICc by adding the bias correction factor
2*K*(K+1)/(n-K-1) to give the AICc value of
69.312
(addition of 5, where n=13 and K=4).
This same value, 69.31, can be obtained using R package
AICcmodavg
library ( AICcmodavg )
data (cement)
cement
Cand.models <- list( )
Cand.models[[1]] <- lm ( y ~ x1 + x2, data = cement )
Cand.models[[2]] <- lm ( y ~ x3 + x4, data = cement )
Cand.models[[3]] <- lm ( y ~ x1 + x2 + x1 * x2, data =
cement )
Cand.models[[4]] <- lm...
2008 Dec 12
1
Creating a vector
Good day all,
I am having seom trouble building a simple vector. Below my sample code
shows what ime trying to do and i have pointed out where the issue is. What
happens not is that a single "TAZDetermine_FEET" is selected by i need
multiple values, as many as there are "cands". I am thinking that this
should occur within the for loop and add a "TAZDetermine_FEET" to a new
vector ("TAZDs") each time the loop goes round but i cant seem to make it
work using what i know. Probably simple so sorry and any help will be much
appreciated, been strugg...
2009 Nov 12
2
A combinatorial optimization problem: finding the best permutation of a complex vector
Hi,
I have a complex-valued vector X in C^n. Given another complex-valued vector Y in C^n, I want to find a permutation of Y, say, Y*, that minimizes ||X - Y*||, the distance between X and Y*.
Note that this problem can be trivially solved for "Real" vectors, since real numbers possess the ordering property. Complex numbers, however, do not possess this property. Hence the
2010 Sep 16
2
glm: formula vs character
...vir'
argument." Any insight into what is going on "under the hood"?
Many thanks,
--Krishna
x1 = rnorm(100)
x2 = rnorm(100)
x3 = rnorm(100)
y = x1 + 2*x2 + 3*x3 + 0.05*rnorm(100)
d = data.frame(y,x1,x2,x3)
xset = paste("x",1:3,sep="")
reg1<-function(dep,cand,data){
f = paste(dep,"~1",sep="")
reg = glm(as.formula(f),family="gaussian",data)
add = add1(reg,cand,test="F")
}
reg2<-function(dep,cand,data){
f = paste(dep,"~1",sep="")
reg = glm(f,family="gaussian",data)
add =...
2009 Jul 08
1
Dantzig Selector
Hi,
I was wondering if there was an R package or routines for the Dantzig
Selector (Candes & Tao, 2007). I know Emmanuel Candes has Matlab
routines to do this but I was wondering if someone had ported those to
R.
Thanks,
T
---Reference---
@article{candes2007dantzig,
title={{The Dantzig selector: statistical estimation when p is much
larger than n}},
author={Candes, E. and T...
2014 Mar 15
5
A few easy dpkg optimizations for supermin
I have done some printf profiling and found that supermin's calls to
dpkg for individual packages are quite expensive. Here are some
patches that gather all information on demand where possible.
On my Debian/unstable-based workstation at home, preparing a minimal
appliance using
$ ./supermin --use-installed --prepare bash -o supermin.d
now takes ~3.5s (previously ~15s).
Turning that
2009 Dec 09
1
partial match for two datasets
Hi all,
I have two sets:
dig<-c("DAVID ADAMS","PIERS AKERMAN","SHERYLE BAGWELL","JULIAN BAJKOWSKI","CANDIDA BAKER")
import<-c("by DAVID ADAMS","piersAKERMAN","SHERYLE BagWEL","JULIAN BAJKOWSKI with ","Cand BAKER","smith green")
I want to get the following result from "import" after comparing the two sets
result<-c(...
2017 Nov 23
3
mischeduler (pre-RA) experiments
Hi,
I have been experimenting for a while with tryCandidate() method of the
pre-RA mischeduler. I have by chance found some parameters that give
quite good results on benchmarks on SystemZ (on average 1% improvement,
some improvements of several percent and very little regressions).
Basically, I add a "latency heuristic boost" just above...
2012 Sep 13
1
AICcmodavg
...correctly with the code?
buco.models<-list ( )
buco.models [[1]] <- glm(P.BUCO~faverage+W15CNT, family=binomial(logit),
data=AmphAIC)
buco.models [[2]] <- glm(P.BUCO~diam1+W15CNT, family=binomial(logit),
data=AmphAIC)
Modnames<-paste (?mod? , 1:length(buco.models), sep=")
aictab(cand.set = buco.models, modnames = Modnames, sort=TRUE))
print(aictab(cand.set = buco.models, modnames = Modnames, sort=TRUE) digits
= 4)
Thank you in advance.
Kerry Griffis-Kyle
--
View this message in context: http://r.789695.n4.nabble.com/AICcmodavg-tp4643016.html
Sent from the R help mailing li...
2006 Mar 30
1
Predict function for 'newdata' of different dimension in svm
...t$EXT+boot.dist.dat$TOF,cost=100,gamma=20)
## for these training data,
> names(boot.dist.dat)
[1] "TOF" "EXT" "Acode"
> dim(boot.dist.dat)
[1] 50 3
Now I want to use the svm classifier on a new dataset with 175
observations:
new.dat<-data.frame(TOF=Cd1[cand.adult,]$TOF,EXT=Cd1[cand.adult,]$EXT,Acode=rep(0,175),row.names=NULL)
## for the new dataset,
> names(new.dat)
[1] "TOF" "EXT" "Acode"
> dim(new.dat)
[1] 175 3
Now try to predict:
> predict(cd1.svm,newdata=new.dat)
Error in "names<-.default&q...
2010 Dec 14
2
How to bind models into a list of models?
...X4,data=Cement)" "lm(y ~ X + X1 + X3 +
X4,data=Cement)" "lm(y ~ X + X2 + X3 + X4,data=Cement)"
[31] "lm(y ~ X1 + X2 + X3 + X4,data=Cement)" "lm(y ~ X + X1 + X2 +
X3 + X4,data=Cement)"
I would like to convert this object into a list called Cand.models
with 32 list elements each of which would contain one of the above
model formulae. When I print the list, the models should run, so the
first few elements of the list would look like this (see below output
from a list I created by hand).
Many thanks for any help you can provide!
Mark
&...
2018 Feb 20
1
question regarding the AICcmodavg package
...ckage and
*APE*, but I seem to get stuck with some of the variables that are also
included in a two-way interaction in the model. I can obtain values for the
two-way interaction but not for the variables separately.
The error I receive is:
?Error in modavg.AICgls(parm = "agefirstbreed", cand.set = Cand.models4, :
Some models include more than one instance of the parameter of interest.
This may be due to the presence of interaction/polynomial terms, or
variables with similar names: see "?modavg" for details on variable
specification and "exclude" argument?
I'...
2004 Jun 07
1
mode data=journal. Is it safe to use?
...as possible. We can
not tolerate any garbage in the files after a crash or sudden power
failures. We have then decided to use ext3 with mode data=journal.
Can I rely on this?
We use kernel 2.6.5 on PowerPC 8260, and may be using newer kernels
later in the project.
Best regards
--
Petter Larsen
cand. scient.
moreCom as
913 17 222
2010 Jan 01
2
changing a list element's name during execution in lapply - possible?
...after the calculation.
Is it possible to do the renaming somehow within the lapply call?
l <- list(a=NA, b=NA)
lapply(l, function(x) {names(x) <- "new name"; return(x) })
This does not work, any ideas?
TIA
???????????????????????????????????????
Mark Heckmann
Dipl. Wirt.-Ing. cand. Psych.
Vorstra?e 93 B01
28359 Bremen
Blog: www.markheckmann.de
R-Blog: http://ryouready.wordpress.com
2012 Mar 14
4
Merging fully overlapping groups
Hi,
I have data on individuals (B) who participated in events (A). If ALL
participants in an event are a subset of the participants in another event I
would like to remove the smaller event and if the participants in one event
are exactly similar to the participants in another event I would like to
remove one of the events (I don't care which one). The following example
does that however it
2009 Dec 02
2
Reordering the results from table(cut()) by break argument
...ase it should also be reversed, like:
( 3, 2] ( 2, 1] ( 1,0] (0,-1] (-1,-2] (-2,-3]
0 12 30 42 13 3
Thus I would like to reorder the vector using break, but I do not know
how.
TIA
Mark
???????????????????????????????????????
Mark Heckmann
Dipl. Wirt.-Ing. cand. Psych.
Vorstra?e 93 B01
28359 Bremen
Blog: www.markheckmann.de
R-Blog: http://ryouready.wordpress.com
2010 Feb 14
3
evaluate variable within expression - how?
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2015 Mar 27
2
[LLVMdev] Question about load clustering in the machine scheduler
...n repeats itself. All of these are loads.
> Even without that limit, stalls take precedence over load clustering. So when you run out of load resources (15?) the scheduler should choose something else.
>
Is this the code that checks for stalls?
if (tryLess(Zone.getLatencyStallCycles(TryCand.SU),
Zone.getLatencyStallCycles(Cand.SU), TryCand, Cand, Stall))
It is disabled if (!SU->isUnbuffered)
> > I have a feeling there is something wrong with my machine model in the
> > R600 backend, but I've experimented with a few variations of it and have
> &...