Displaying 20 results from an estimated 20000 matches similar to: "SAMBA in separate Domains/Forests ..."
2007 Jul 12
2
Active directory and multiple forests
Well I'm hoping someone here can give me some assistance. Where I work we
manage multiple AD forests. We are looking for a way to centrally manage
this. Right now each forest has its own logins for our support people here.
I hoping there's a way to make samba make this a bit easier. I know samba
will do domain trusts, but is there a way to have it have do trusts to each
seperate forest.
2010 Apr 09
1
Question on implementing Random Forests scoring
So I've been working with Random Forests ( R library is randomForest) and I
curious if Random Forests could be applied to classifying on a real time
basis. For instance lets say I've scored fraud from a group of
transactions. If I want to score any new incoming transactions for fraud
could Random Forests be used in that context. Linear Regression is nice in
that it is very easy to
2007 Dec 18
1
Random forests
Dear all,
I would like to use a tree regression method to analyze my dataset. I
am interested in the fact that random forests creates in-bag and
out-of-bag datasets, but I also need an estimate of support for each
split. That seems hard to do in random forests since each tree is
grown using a subset of the predictor variables.
I was thinking of setting mtry = number of predictor variables,
2006 Dec 16
1
Fileserver for Two AD Forests with No Trust Relationship
Hi,
I have the following situation:
I'm designing a solution for an organization with two Active Directory
forests. The forests do not have a trust relationship, and there is no
chance to get them to move to a trust relationship (at least within a
reasonable timescale).
I need to set up a fileserver than both sets of users can access, with
Windows authentication. I could host this on a UNIX
2016 Dec 08
2
Winbind in Multiple-Forests - Super Admin Domain Model
We implement a Multiple-Forests - Super Admin Domain Model based on :
https://technet.microsoft.com/en-us/library/cc546821.aspx
We have 2 forests using W2K12r2 : RSC for resources and ADM for admin user
accounts.
We join linux server to RSC with ADM credential :
# net ads join -U linuxadm at ADM.LAB
We have a problem when we had to read uidNumber and gidNumber from ADM
Forest. Winbind try to
2009 Apr 13
2
Random Forests Variable Importance Question
I am trying to use the random forests package for classification in R.
The Variable Importance Measures listed are:
-mean raw importance score of variable x for class 0
-mean raw importance score of variable x for class 1
-MeanDecreaseAccuracy
-MeanDecreaseGini
Now I know what these "mean" as in I know their definitions. What I
want to know is how to use them.
What I am trying to
2012 May 11
2
Random forests prediction
Hi all,
I have a strange problem when applying RF in R.
I have a set of variables with which I obtain an AUC of 0.67.
I do have a second set of variables that have an AUC of 0.57.
When I merge the first and second set of variables, the AUC becomes 0.64.
I would expect the prediction to become better as I add variables that do
have some predictive power?
This is even more strange as the AUC
2008 Jun 02
1
Random Forests regression by strata
Hello,
I'm trying to sample in Random Forests by a factor, but it is a regression problem and I can't figure out how to do this (I can only see how to sample by strata in classification).
Thanks
Jesse Lasky
2012 Jan 27
1
Bivariate Partial Dependence Plots in Random Forests
Hello,
I was wondering if anyone knew of an R function/R code to plot bivariate
(3 dimensional) partial dependence plots in random forests (randomForest
package).
It is apparently possible using the rgl package
(http://esapubs.org/archive/ecol/E088/173/appendix-C.htm) or there may
be a more direct function such as the pairplot() in MART (multiple
additive regression trees)?
Many
2011 Dec 01
1
Random Forests in R
I understand the original implementation of Random Forest was done in
Fortran code. In the source files of the R implementation there is a note
"C wrapper for random forests: get input from R and drive the Fortran
routines.". I'm far from an expert on this...does that mean that the
implementation in R is through calls to C functions only (not Fortran)?
So, would knowing C be
2009 Apr 20
1
Random Forests: Predictor importance for Regression Trees
Hello!
I think I am relatively clear on how predictor importance (the first
one) is calculated by Random Forests for a Classification tree:
Importance of predictor P1 when the response variable is categorical:
1. For out-of-bag (oob) cases, randomly permute their values on
predictor P1 and then put them down the tree
2. For a given tree, subtract the number of votes for the correct
class in the
2009 Apr 10
1
Random Forests: Question about R^2
Dear Random Forests gurus,
I have a question about R^2 provided by randomForest (for regression).
I don't succeed in finding this information.
In the help file for randomForest under "Value" it says:
rsq: (regression only) - "pseudo R-squared'': 1 - mse / Var(y).
Could someone please explain in somewhat more detail how exactly R^2
is calculated?
Is "mse"
2005 May 09
1
Random Forests 4.5-10 varImpPlot (PR#7844)
Full_Name: Daniel Normolle
Version: 2.0.1
OS: Linux/Fedora Core 3
Submission from: (NULL) (141.214.17.5)
varImpPlot in Random Forests 4.5-10 produces the error "incorrect number of
subscripts on matrix" (and no plot) when applied to a randomForest object. This
error did not occur with 4.5-4 or earlier versions.
2014 Mar 27
0
Help with winbind getusersids across forests
I am hoping someone can shed some light on this. We have a setup that is using Active Directory Windows 2008 R2 with 2 domains, A and B. They are across forests, with a one-way trust between the forests. A is the trusted domain, B is the trusting domain. We have a 3.6.9 samba server joined to B's Active Directory. If we try authenticating from our machine in B's domain as a user from A
2005 Nov 09
0
two samba servers in different AD forests on one host?
Hi all,
With the new company wide AD setup, there are two forest, the first is
the production AD forest and the second is the development/engineering
AD forest. For a variety of reasons we need to have a samba server in
both AD forests that access data on the same solaris file server.
I saw the sections in the samba official howto have multiple virtual
server on the same host. However what I
2007 Mar 15
1
winbind occasionally failing to find domain controllers for trusted domains
Hi there
We have a bunch of Win2K3 trusted domains that are parts of other
forests from our own Win2K3 forest.
Most times Samba works just fine with allowing users from such trusted
domains to connect to its shares, but now and then it "gets out of
whack" and loses access/information about these "other" domains. "log
level = 9" shows things like the following where
2006 Jul 23
1
Iterated Data Input/Output with Random Forests
Hi,
I am currently writing code to input a few thousand files, run them through the
Random Forests package, and then output corresponding results.
When I use the code below:
zz<-textConnection("ex.lm.out", "w")
sink(zz)
2002 Apr 02
2
random forests for R
Hi all,
There is now a package available on CRAN that provides an R interface to Leo
Breiman's random forest classifier.
Basically, random forest does the following:
1. Select ntree, the number of trees to grow, and mtry, a number no larger
than number of variables.
2. For i = 1 to ntree:
3. Draw a bootstrap sample from the data. Call those not in the bootstrap
sample the
2002 Apr 02
2
random forests for R
Hi all,
There is now a package available on CRAN that provides an R interface to Leo
Breiman's random forest classifier.
Basically, random forest does the following:
1. Select ntree, the number of trees to grow, and mtry, a number no larger
than number of variables.
2. For i = 1 to ntree:
3. Draw a bootstrap sample from the data. Call those not in the bootstrap
sample the
2016 Dec 08
0
Winbind in Multiple-Forests - Super Admin Domain Model
On Thu, Dec 08, 2016 at 12:19:08PM +0100, Karim Ayari via samba wrote:
> We implement a Multiple-Forests - Super Admin Domain Model based on :
>
> https://technet.microsoft.com/en-us/library/cc546821.aspx
>
> We have 2 forests using W2K12r2 : RSC for resources and ADM for admin user
> accounts.
>
> We join linux server to RSC with ADM credential :
>
> # net ads