Displaying 20 results from an estimated 1400 matches similar to: "model constant relations"
2002 Jul 30
3
Error running sammon() in multiv package
When I try to run the "sammon" function of the multiv package, I always get
this error message:
Error in as.vector(dist(a)) : couldn't find function "dist"
It happens even with example(sammon). I am running R 1.5.0 on Win98 and I
have still installed R 1.4.1 but it doesn't work on the old R version with
the older multiv package either. Is there a problem with the
2002 Dec 18
2
acceptable p-level for scientific studies
Dear list members,
I have a statistical question, that doesn't belong to this list, and I
apologise for that in advance but I would appreciate your help very much.
Is there some convention for selecting the a level for significance testing
in scientific (e.g. chemical processes) studies? Most people use the 0.05
level but I could not find a reference to justify this. Why not 0.01 or 0.1?
2002 Aug 01
1
question about AIC
Please, forgive my ignorance on statistics, but I have a rather simple
question concerning AIC. Small values of AIC mean good fit of the model. How
about negative values of AIC? Is a model with AIC=0.5 considered to have
better fit than a model with AIC=-500?
I couldn't find anything explaining this in the documentation or any
elementary statistics textbook that I have at my disposal.
Thanks
2002 Mar 04
1
coplots
Hello list members,
I am new to this list and don't know very much about what R can do or how to
program it, but I am interested in plotting 4 variables as sequential
contour plots (or surface plots), something like the conditioning plots for
4 variables (coplot(X1~X2|X3+X4)). To be more specific, I need a tool that
will automatically create contour (orsurface) plots of X1 vs X2 vs X3 for
2013 Aug 15
1
[LLVMdev] Removing metadata from instruction
Hi,
I want to remove metadata from an instruction. Is there any way doing this
in my pass?
Regards,
Kyriakos
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2007 Nov 20
1
ACD functionality , Skills for agents
Hi all,
I have a question regarding ACD for queues. What happens when I have 2
or more queues with same weight and each queue has a call in? How will it
decide which call will be routed to the next available agent? Will it take
the call with the longest waiting time in queue? If not how would I do
this?
Also can someone point me to resources for making a single queue with
customer calls
2012 Apr 29
1
Error in if (nuhat < 2) stop("The degrees of freedom must be greater than or equal to 2") : missing value where TRUE/FALSE needed
Hi,
i am trying to run an ANCOVA and a bootstrapped ANCOVA analysis on a specific data set. I am using the ancova and ancboot functions as in the following code:
setwd("C:/Users/User/Desktop/Rdatabilingualstudy2012")
bilingualismdata<-read.spss("bilingualdataforconferences2012.sav", use.value.labels = TRUE, to.data.frame = TRUE)
2011 Sep 13
0
[LLVMdev] Handling of DebugLocs during CSE of SelectionDAG nodes.
On Sep 13, 2011, at 4:01 AM, Kyriakos Georgiou wrote:
> I've been investigating a case with the XCore target (which doesn't use
> FastISel) where the DWARF line number emitted at -O0 results in the xgdb
> visiting source lines in an unexpected order. I've tracked down the
> problem to the handling of DebugLocs in the selection DAG, in the getNode
> method shown bellow.
2010 Dec 20
2
Sine Regression in R
Hi everyone,
I am trying to fit a sine function on one year of wind data. I have two
questions below.
Looking around on the net I managed to get the following:
Sine Equation: y = a + b * sin( c + d*x )
b is the amplitude, c is the phase shift, d is something deal with
periodicty of data*.*
This can be linearised by sin( c+dx ) = cos(c) * sin(dx) + sin(c) *
cos(dx).
If one calls dx = x1
y
2011 Sep 13
3
[LLVMdev] Handling of DebugLocs during CSE of SelectionDAG nodes.
I've been investigating a case with the XCore target (which doesn't use
FastISel) where the DWARF line number emitted at -O0 results in the xgdb
visiting source lines in an unexpected order. I've tracked down the
problem to the handling of DebugLocs in the selection DAG, in the getNode
method shown bellow.
It first tries to find if a similar node already exists in order to use that
2011 Sep 14
3
[LLVMdev] Handling of DebugLocs during CSE of SelectionDAG nodes.
On 13/09/11 17:40, Devang Patel wrote:
> On Sep 13, 2011, at 4:01 AM, Kyriakos Georgiou wrote:
>> I've been investigating a case with the XCore target (which doesn't use
>> FastISel) where the DWARF line number emitted at -O0 results in the xgdb
>> visiting source lines in an unexpected order. I've tracked down the
>> problem to the handling of DebugLocs in
2018 Aug 02
1
ODP: Re: SAMBA 4 as Active Direcotry and Hyper-V
I actually posted about this here on samba list about it last year, but
nobody caught interest.
I used to have logs from samba and wireshark, which very nicely showed
what's wrong (kerberos request was for SPNĀ eg. "Hyper-V Replication
Service/Servername.mydomain.com" and in samba log there was an error
with something like "Hyper-V\ Replication \Service.. not found".
2008 Apr 02
9
Problem getting the most recent has_many associated object
I can''t get my view to display the most recent parameters from an
associated object in a view... here is a birds-eye of my app:
I have two models, Ferms and Kinetics. Ferm has_many :kinetics,
Kinetic belongs_to :ferm. Kinetic has the fields ferm_id, brix and
temp.
In my ferms/index view I have a table listing the attributes of each
ferm instance. I would like to display the most recent
2003 Jun 20
1
Power Law Exponents
I am having difficulty with the calculation of the power law exponent
for set of nodes within a graph.
Specifically, I am interested in the distribution of in-degree and
out-degree among communities of web pages where the web pages are the
nodes of the graph and the hyperlinks the edges.
According to the literature, the distribution of incoming and outgoing
links obeys a power law distribution
2014 Mar 18
1
Developing the UPS side of the UPS-NUT equation (via usbhid)
Things are going along well, but there is one remaining area of confusion...."units". I understand exponents now...it's basically how you pass decimal values. That's easy enough.
But "units"....in other words, I have a voltage I want to put in a report. If I include in the report descriptor the fact that it is actually a voltage, with units of "volts",
2009 May 13
2
ode first step
Hi all,
I try to assess the parameters (K1,K2) of a model that describes the
adsorption of a molecule onto on adsorbent.
equation: dq/dt = K1*C*(qm-q)-K2*q
I know the value of 'qm' and I experimentally measure the variables 'q',
'C', and the time 't'.
t C q
1 0 144.05047 0.0000000
2 565 99.71492 0.1105625
3 988 74.99426
2018 May 18
3
Exporting to text files
I have dose response data analyzed with the package 'drc'.
'summary(mymodel)' prints my kinetic parameters. I want
that text in an ASCII text file. I want to get exactly what I
would get if I copied and pasted from the terminal window.
I've read the documentation on data export to text files here:
2018 Aug 02
0
ODP: Re: SAMBA 4 as Active Direcotry and Hyper-V
On Thu, 2018-08-02 at 17:32 +0200, Kacper Wirski via samba wrote:
> I have a suspicion that it is related to the specific SPNs that hyperv uses. Hyper-v tries to register 3 spn (typing from memory so I might be a bit off):
> Microsoft hyper-v console/HOST.FQDN
> Hyper-V Replication Servive/HOST.FQDN
> Microsoft Hyper-V Live Migration Service/HOST.FQDN.
>
> This fails because of
2010 Sep 07
4
a^c(1:3)
Dear R,
I have two small questions confused me recently. Now assume I have a matrix
"a", like this,
> a <- matrix(1:6, 2, 3)
> a
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
I sometimes need each row of "a" raised to a different exponent. So I do a
trick like this,
> a^c(2, 3)
[,1] [,2] [,3]
[1,] 1 9 25
[2,] 8 64 216
My first
2008 Feb 04
0
AGENTDUMP lines in queue.log????
Hi all,
I noticed that in queue.log I keep getting lines with AGENTDUMP like
this one
"1202044353|1202044326.152|AccountingQueue|Agent/1001|AGENTDUMP|"
I cannot find any other lines in the file regarding this call id, no
ENTERQUEUE or anything else. I just have this line with AGENTDUMP. Has
someone had the same problem? Why do I get these lines?
A small note: I have