similar to: Problem with misclass function on tree classification

Displaying 20 results from an estimated 600 matches similar to: "Problem with misclass function on tree classification"

2008 Nov 09
2
Finding Indices of Vector
Lets say I have a vector as follows xx<-rnorm(20) How could I find the indices of the vector<0? Thanks Meir ******************************************** Meir Preiszler - Research Engineer I t a m a r M e d i c a l Ltd. Caesarea, Israel: Tel: +(972) 4 617 7000 ext 232 Fax: +(972) 4 627 5598 Cell: +(972) 54 699 9630 Email: pmeir@itamar-medical.com Web: www.Itamar-medical.com
2009 Feb 23
2
Support Vector Machine
Hi, I would like to try using a Support Vector Machine on a classification problem that I'm dealing with. Does such a package exit in R? Thanks Meir ******************************************** Meir Preiszler - Research Engineer I t a m a r M e d i c a l Ltd. Caesarea, Israel: Tel: +(972) 4 617 7000 ext 232 Fax: +(972) 4 627 5598 Cell: +(972) 54 699 9630 Email: pmeir@itamar-medical.com
2008 Dec 18
3
Calculating Sensitivity, Specificity, and Agreement from Logistics Regression Model
Hi, Assume I have a variable Y having two discrete values and two predictor variables x1 and x2. I then do a logistic regression model fit as: fit<-glm(Y~x1+x2,family=binomial). Are there functions in R than calculate the Sensitivity, Specificity , and Agreement of the model "fit"? Thanks Meir ******************************************** Meir Preiszler - Research Engineer I t
2008 Sep 15
1
Looking for function tree.matrix
Hi, Does anyone know where such a function can be found? Thanks Meir ******************************************** Meir Preiszler - Research Engineer I t a m a r M e d i c a l Ltd. Caesarea, Israel: Tel: +(972) 4 617 7000 ext 232 Fax: +(972) 4 627 5598 Cell: +(972) 54 699 9630 Email: pmeir@itamar-medical.com Web: www.Itamar-medical.com *********************************************
2008 Oct 07
1
Selecting numeric data from a data frame
Hi I have a data frame containing numeric and factor data. I want to extract the numeric data only. How can this be done? Thanks Meir ******************************************** Meir Preiszler - Research Engineer I t a m a r M e d i c a l Ltd. Caesarea, Israel: Tel: +(972) 4 617 7000 ext 232 Fax: +(972) 4 627 5598 Cell: +(972) 54 699 9630 Email: pmeir@itamar-medical.com Web:
2009 Feb 24
0
Decision Function of Support Vector Machine
Hi, As a number of people suggested, I downloaded the "e071" package and am using the function "svm" for my classification problem. I now want to take the classifier outside the R environment, for example to a C program, and use it. I know that the classifer is of the form WTX+b where W is defined by the support vectors. I did not see that W vector is output from svm. If am
2005 Jun 16
1
Survey - Cluster Sampling
Dear WizaRds, I am struggling to compute correctly a cluster sampling design. I want to do one stage clustering with different parametric changes: Let M be the total number of clusters in the population, and m the number sampled. Let N be the total of elements in the population and n the number sampled. y are the values sampled. This is my example data: clus1 <-
2007 Jun 16
0
Function for misclassification rate/type I,II error??
HI Is there any function in R that tells us error rate(misclassification rate) for logistic regression type classification? i also want to know the function to determine type I and type II error. I have found a link where "misclass" and "confusion" are used. But I dont know the package name. http://alumni.media.mit.edu/~tpminka/courses/36-350.2001/lectures/day32/
2008 Aug 26
2
svymeans question
I have the following code which produces the output below it clus1 <- svydesign(ids = ~schid, data = lower_dat) items <- as.formula(paste(" ~ ", paste(lset, collapse= "+"))) rr1 <- svymean(items, clus1, deff='replace', na.rm=TRUE) > rr1 mean SE DEff W525209 0.719748 0.015606 2.4932 W525223 0.508228 0.027570 6.2802 W525035 0.827202
2006 Sep 26
5
powernow-k8: Processor cpuid 681 not supported
I am running 2.6.18-1.2693.fc6xen and I am receiving this message powernow-k8: Processor cpuid 681 not supported anyone know if xen works on processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 8 model name : AMD Athlon(tm) Prosussor stepping : 1 cpu MHz : 1994.985 cache size : 256 KB fdiv_bug : no hlt_bug : no
2006 Sep 26
5
powernow-k8: Processor cpuid 681 not supported
I am running 2.6.18-1.2693.fc6xen and I am receiving this message powernow-k8: Processor cpuid 681 not supported anyone know if xen works on processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 8 model name : AMD Athlon(tm) Prosussor stepping : 1 cpu MHz : 1994.985 cache size : 256 KB fdiv_bug : no hlt_bug : no
2013 Nov 22
2
Re: HA: Accessing iSCSI disc images from the RHEV Manager using libguestfs
On 11/22/2013 10:26 AM, Исаев Виталий Анатольевич wrote: > Thanks, Itamar. Hooks are really great tool. > No doubt we will use them. > > But I still need some clarification about interaction between hooks (on the manager's side) and libguestfs (on the side of hypervisor/storage). these are vdsm-hooks, they run on the host, not on the engine (manager). the engine does allow you, if
2006 Feb 13
1
Adding dimnames to image()
Dear Colleagues, does anybody know how to add dimnames to an image. Right now I'm using image(as.matrix(df3), col=brewer.pal(9,"Blues")) where df3 is a data.frame. dimnames(as.matrix(df3)) delivers [[1]] [1] "RFM_A1" "RFM_A2" "RFM_A4" "RFM_A5" "RFM_A7" "RFM_B3" "RFM_B6" "RFM_B7"
2013 Nov 21
4
Re: Accessing iSCSI disc images from the RHEV Manager using libguestfs
On 11/21/2013 05:56 PM, Richard W.M. Jones wrote: > [Adding Itamar: Any suggestions on where Vitaly could get help on this > RHEV-M API problem?] > > On Thu, Nov 21, 2013 at 02:27:08PM +0000, Исаев Виталий Анатольевич wrote: >> Dear libguestfs developers, >> >> We are developing the protected enterprise system based on several >> Red Hat technologies (Red Hat
2013 Nov 22
3
Re: HA: Accessing iSCSI disc images from the RHEV Manager using libguestfs
On Fri, Nov 22, 2013 at 09:42:28AM +0000, Исаев Виталий Анатольевич wrote: > Rich, you are right; the hypervisor is RHEV-H. As Itamar has just > explained me, hooks are executed on the hypervisor’s side (not on > the RHEV-M, as I used to think), so properly working libguestfs on > the RHEV-H will resolve my issue. This is a bug. I have filed this:
2017 Jun 22
2
RDP for Centos 7
On Thu, 22 Jun 2017, Itamar Reis Peixoto wrote: >> I started playing with it yesterday but the problem I have is I cannot get >> it to prompt for a password unless I start it from a terminal. That is a >> non-starter for me. >> >> I need something I can run from <alt><f2> and be able to connect. >> >> Regards, > > have you tried
2013 Nov 22
2
Re: HA: Accessing iSCSI disc images from the RHEV Manager using libguestfs
[CC to Fabian - can you comment on the ovirt-node problem below] On Thu, Nov 21, 2013 at 10:02:46PM +0000, Исаев Виталий Анатольевич wrote: > On 11/21/2013 05:56 PM, Richard W.M. Jones wrote: > > When you say "cannot access them" do you get an error message? Could > > it be an SELinux denial? > > Yes, when I am trying to open some logical volume on the hypervisor
2015 Apr 18
2
user authentication issue
Hey Rowland, Thanks for the advice. The host is running Ubuntu 12.04 and I've included the smb.conf below (reverted it to its "original" state prior to following Jeremy's advice). I don't suppose you know why the user is able obtain a list of Samba services (i.e. smbclient -L host -U user) if they aren't known to Samba? I find that confusing. - Itamar
2015 Apr 17
2
user authentication issue
Hey Samba list, First a brief comment regarding my background and situation. This is my first time posting to this list. I've been asked to resolve a Samba authentication issue, but I have next to no experience using Samba. Unfortunately no one else here knows how to use it either; we're operating with an inherited environment from a sysadmin who left minimal documentation, and we have
2000 Feb 17
1
OpenSSH allows guessing of root password?
I set sshd to deny root login. But I still get a password prompt! So if I get the password right, I get one error message: Received disconnect: ROOT LOGIN REFUSED FROM example.com while if I simply put in a wrong password three times I get Permission denied. If this means I set it up wrong please mail me directly - I'm not subscribed to the list. Otherwise please fix this. -- The