search for: quinlan

...0 0.0000000 1.0000000) * 7) PlayDontPlay=DontPlay 3 0 sunny (0.0000000 0.0000000 1.0000000) * Andy _____ From: r-help-bounces at stat.math.ethz.ch on behalf of Alan Lapedes Sent: Sun 4/16/2006 5:14 PM To: r-help at stat.math.ethz.ch Subject: [R] Problem getting R's decision tree for Quinlan's golf example data [Broadcast] Newbie question, but I've checked archives etc. Am trying to reproduce in R Quinlan's trivial example of the "golf" decision tree. The data file of 14 examples follows (read in via read.table()): Outlook Temperature Humidity Windy PlayDon...

Newbie question, but I've checked archives etc. Am trying to reproduce in R Quinlan's trivial example of the "golf" decision tree. The data file of 14 examples follows (read in via read.table()): Outlook Temperature Humidity Windy PlayDontPlay 1 sunny 85 85 false DontPlay 2 sunny 80 90 true DontPlay 3 overcast 83 78 false Play 4 rain 70 96 false Play 5 rain 68 80 fa...

Hi All, I am trying to use the C50 package to build classification trees in R. Unfortunately there is not enought documentation around its use. Can anyone explain to me - how to prune the decision trees? Regards, Indrajit [[alternative HTML version deleted]]

...ignores all files and directories with any Japanese characters in them. Is this normal behaviour, or does rsync support synchronising Japanese character files and directories? The versions of software are: rsync 2.4.1 protocol version 24 samba 3.0-alpha19 Thanks for your time, Sean -- Sean Quinlan Sega Europe Ltd +44 (0) 208 996 4487 ======================================== DISCLAIMER The contents of this e-mail and any attachments are confidential to the intended recipient and may also be legally privileged. Unless you are the named addressee (or authorised to receive for the addres...

Hi, I have seen that R has a implementation of decision trees; however, after I have the tree with the classification: R Quinlan's trivial example of the "golf" decision tree. Outlook Temperature Humidity Windy PlayDontPlay 1 sunny 85 85 false DontPlay 2 sunny 80 90 true DontPlay 3 overcast 83 78 false Play 4 rain 70 96 false Play ... What's next? I mean, what is this information used for? or the goal is...

I am familiar with the rpart and tree packages for classification and regression trees. However, quite a bit of the research in the transportation community relating to decision trees uses the C4.5 family of algorithms by Quinlan. Are there any plans to make a C4.5 (or a derivative of it) available to R? If not, then I might use the WEKA Java package ( http://www.cs.waikato.ac.nz/ml/weka) that implements a Java version of C4.5. Thanks. Benjamin Stabler Transportation Planning Analysis Unit Oregon Department of Transpor...

Cubist is a rule-based machine learning model for regression. Parts of the Cubist model are described in: Quinlan. Learning with continuous classes. Proceedings of the 5th Australian Joint Conference On Artificial Intelligence (1992) pp. 343-348 Quinlan. Combining instance-based and model-based learning. Proceedings of the Tenth International Conference on Machine Learning (1993) pp. 236-243 R...

Cubist is a rule-based machine learning model for regression. Parts of the Cubist model are described in: Quinlan. Learning with continuous classes. Proceedings of the 5th Australian Joint Conference On Artificial Intelligence (1992) pp. 343-348 Quinlan. Combining instance-based and model-based learning. Proceedings of the Tenth International Conference on Machine Learning (1993) pp. 236-243 R...

...n Debian 1.1, the optional DOSEMU package installs /usr/sbin/dos setuid root. This is a serious security hole which can be exploited to gain access to any file on the system. Package: dosemu Version: 0.64.0.2-9 ------- start of cut text -------------- $ cat /etc/debian_version 1.1 $ id uid=xxxx(quinlan) gid=xxxx(quinlan) groups=xxxx(quinlan),20(dialout),24(cdrom) [quinlan:~]$ ls -al /usr/bin/dos -rwsr-xr-x 1 root root 569576 Oct 24 00:05 /usr/bin/dos $ ls -al /root/foo -rw------- 1 root root 1117 Nov 13 23:10 /root/foo $ dos -F /root/foo [ Prints /root/foo, which is not...

Hello, exist an implementation of DecisionTree Algorithms C4.5 from Quinlan in R which extract ruleSets for Classification Problems? I found "only" the packages tree and rpart which use other algorithms ! thanks & regards, christian -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.t...

Greetings - Is there a way to automatically perform what I believe is called "rule extraction" (by Quinlan and the machine learning community at least) for the leaves of trees generated by rpart? I can use path.rpart() to automatically extract the paths to the leaves, but these can be needlessly cumbersome. For example, one path returned by path.rpart() might be: [1] "root" "y...

Hi, I am using some classifiers in RWeka packages and met a couple problems. (1) J48 implements C45 classifier, the C45 should be able to handle missing values in both training set and test set. But I found the J48 classifier can not be evaluated on test set with missing values--it just ignore them. (2) The ensemble classifiers in RWeka such as bagging and boosting: there is a

Ive got a mucho-kludgo (but working) setup where; pxe-client boots an os-du-jour in runlevel 2, rc.2 runs a test-script that ends in a reboot, meanwhile, on tftp-server host, a script watches the syslog, notes the arrival of an RRQ message for a kernel, and runs a program to rewrite the pxelinux.cfg/default file so that it causes a different kernel to boot the next time. This setup lets me

...y for my own use so that I could do either an install or update without having to enter in all the commands manually. I feel that it is probably stable enough to be released now, but I would like a couple of people to give it a test run, and let me know of any problems with it. Last night, Daniel Quinlan helped me add a couple of options to the file so that now you can stop Asterisk in one of three ways (for instance, if you are updating from CVS, it stops Asterisk before it does the make install, then restarts it after) -c | --conv stop Asterisk with "stop when convenient" -s | --stop s...

...vor Hastie and Rob Tibshirani, among others, have articles on the question, in places like Annals of Statistics, Machine Learning from the mid-to-late 90s. Alternatively, or in addition, you could look at the simulated annealing approach to searching for a good split for a categorical variable in Quinlan's C4.5 book and implement that in R. There are also many ways to create "indices" to use in place of the categorical variable. These often depend on some hierarchical structure, like with SIC codes. Reid Huntsinger -----Original Message----- From: r-help-bounces at stat.math.eth...

...edu> Jim Foraker <foraker1@llnl.gov> Jim Garlick <garlick@llnl.gov> Jim Kukunas <james.t.kukunas@linux.intel.com> Jim Lin <jilin@nvidia.com> Jim Meyering <meyering@redhat.com> Jim Paradis <jparadis@redhat.com> Jim Paris <jim@jtan.com> Jim Quinlan <jim2101024@gmail.com> Jim Rees <rees@umich.edu> Jim Schutt <jaschut@sandia.gov> Jim Somerville <Jim.Somerville@windriver.com> Jimi Xenidis <jimix@pobox.com> Jimi Xenidis <jimix@pobox.com> (for PPC_CHROMA bug fix) Jin Navy <nhjin@qca.qualcomm.com&g...

...edu> Jim Foraker <foraker1@llnl.gov> Jim Garlick <garlick@llnl.gov> Jim Kukunas <james.t.kukunas@linux.intel.com> Jim Lin <jilin@nvidia.com> Jim Meyering <meyering@redhat.com> Jim Paradis <jparadis@redhat.com> Jim Paris <jim@jtan.com> Jim Quinlan <jim2101024@gmail.com> Jim Rees <rees@umich.edu> Jim Schutt <jaschut@sandia.gov> Jim Somerville <Jim.Somerville@windriver.com> Jimi Xenidis <jimix@pobox.com> Jimi Xenidis <jimix@pobox.com> (for PPC_CHROMA bug fix) Jin Navy <nhjin@qca.qualcomm.com&g...

...edu> Jim Foraker <foraker1@llnl.gov> Jim Garlick <garlick@llnl.gov> Jim Kukunas <james.t.kukunas@linux.intel.com> Jim Lin <jilin@nvidia.com> Jim Meyering <meyering@redhat.com> Jim Paradis <jparadis@redhat.com> Jim Paris <jim@jtan.com> Jim Quinlan <jim2101024@gmail.com> Jim Rees <rees@umich.edu> Jim Schutt <jaschut@sandia.gov> Jim Somerville <Jim.Somerville@windriver.com> Jimi Xenidis <jimix@pobox.com> Jimi Xenidis <jimix@pobox.com> (for PPC_CHROMA bug fix) Jin Navy <nhjin@qca.qualcomm.com&g...

...edu> Jim Foraker <foraker1@llnl.gov> Jim Garlick <garlick@llnl.gov> Jim Kukunas <james.t.kukunas@linux.intel.com> Jim Lin <jilin@nvidia.com> Jim Meyering <meyering@redhat.com> Jim Paradis <jparadis@redhat.com> Jim Paris <jim@jtan.com> Jim Quinlan <jim2101024@gmail.com> Jim Rees <rees@umich.edu> Jim Schutt <jaschut@sandia.gov> Jim Somerville <Jim.Somerville@windriver.com> Jimi Xenidis <jimix@pobox.com> Jimi Xenidis <jimix@pobox.com> (for PPC_CHROMA bug fix) Jin Feng <jin88.feng@gmail.com>...

...edu> Jim Foraker <foraker1@llnl.gov> Jim Garlick <garlick@llnl.gov> Jim Kukunas <james.t.kukunas@linux.intel.com> Jim Lin <jilin@nvidia.com> Jim Meyering <meyering@redhat.com> Jim Paradis <jparadis@redhat.com> Jim Paris <jim@jtan.com> Jim Quinlan <jim2101024@gmail.com> Jim Rees <rees@umich.edu> Jim Schutt <jaschut@sandia.gov> Jim Somerville <Jim.Somerville@windriver.com> Jimi Xenidis <jimix@pobox.com> Jimi Xenidis <jimix@pobox.com> (for PPC_CHROMA bug fix) Jin Feng <jin88.feng@gmail.com>...