search for: ltorgo

...) > barplot(table(subset(iris,Petal.Width>1)$Species)) > dev.off() Any help is most appreciated. Luis Torgo -- Luis Torgo FEP/LIAAD - INESC Porto, LA Phone : (+351) 22 339 20 93 University of Porto Fax : (+351) 22 339 20 99 R. de Ceuta, 118, 6o email : ltorgo at liaad.up.pt 4050-190 PORTO - PORTUGAL WWW : http://www.liaad.up.pt/~ltorgo

...#39;m interested in obtained data that is represented as a HTML table, into some R-type structure. Thank you. -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &quot...

...4') > m [,1] 20040813 1 20040814 2 > its(structure(m)) 1 20040812 1 20040813 2 -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Berton Gunter Sent: Wednesday, April 27, 2005 1:28 PM To: ltorgo at liacc.up.pt Cc: r-help at stat.math.ethz.ch Subject: RE: [R] Recursive calculation of a series of values Algebra: cumprod(1+v)*x[0] -- Bert Gunter Genentech Non-Clinical Statistics South San Francisco, CA "The business of the statistician is to catalyze the scientific learning process....

...2 2 2 2 1 1 $centers [,1] [,2] 1 8.000 2.50 2 0.875 2.25 $withinss [1] 6.5000 32.9375 $size [1] 2 4 -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

...for each panel things get messy... I'm using R 1.4.1 on a Windows 2000 machine. Thank you in advance. -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[u...

...e tseries is the key for getting these values but I'm really blocked. Any help is much appreciated. Lu伱伃s Torgo -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 339 20 93 Machine Learning Group Fax : (+351) 22 339 20 99 R. de Ceuta, 118, 6o email : ltorgo at liacc.up.pt 4050-190 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

...month 06 day 17 language R Thanks for any help, luis -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[...

...is pretty safe and could possibly be done in future versions of the package? Thank you for any help. Luis -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

I'm having some difficulties with the package XML. Namely, issuing the following commands: > library(XML) > hp <- htmlTreeParse('http://www.liacc.up.pt/~ltorgo/index.html',isURL=T) I get a flood of messages like this : Save workspace image? [y/n/c]: readline: warning: rl_prep_terminal: cannot get terminal settings My system is: > version _ platform i686-pc-linux-gnu arch i686 os linux-gnu s...

Dear all, I have just found a 'good' tutorial R for datamining. I think it should be on the contributed docs. http://cran.r-project.org/other-docs.html Here is the link http://www.liaad.up.pt/~ltorgo/DataMiningWithR/ What do you think? Kind regards Christophe -- Christophe Dutang Ph. D. student at ISFA, Lyon, France website: http://dutangc.free.fr

...d')) > d2 ?????????????? name 1 34 xyz 2 45 fgd Thank you for any help. -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[...

Hi All, I am interested in learning about people's experience with R training or courses. What worked, what didn't? What do you recommend? Also, if there any groups or individuals that have and can offer R training courses, please contact me directly. I would like to learn about your services. Thanks for your input and help. Please feel free to contact me directly. Russ

Deall all, We need to perform a statistical analysis of a large database (40,000 entries with approximately 500 fields in each entry) currently handled in Oracle. The data contains categorical variables only. At the current stage we suggest classification and clustering analysis. We are planning to perform the analysis in R and would be very grateful for any

I'm reading Torgo (2010) *Data Mining with R*<http://www.liaad.up.pt/~ltorgo/DataMiningWithR/code.html>in preparation for a class I'll be teaching next quarter. Here's an example that is very non-functional. > pH <- c(4.5,7,7.3,8.2,6.3) > names(pH) <- c('area1','area2','mud','dam','middle') > pH area1 are...

...ssing something else, so I wonder if someone could give me a hint on how to solve this. Thanks, Luis Torgo -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 339 20 93 Machine Learning Group Fax : (+351) 22 339 20 99 R. de Ceuta, 118, 6o email : ltorgo at liacc.up.pt 4050-190 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

...ow if somebody came across the same problem and has a better suggestion on how to solve this. Thanks, Luis -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 339 20 93 Machine Learning Group Fax : (+351) 22 339 20 99 R. de Ceuta, 118, 6o email : ltorgo at liacc.up.pt 4050-190 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

...ale("LC_TIME", locale="USA") [1] "English_United States.1252" However, I get the following error : > k <- "25-Sep-01" > strptime(k,"%d-%b-%y") [1] "NA" Thank you for any help with this. Luis Torgo FEP/LIACC, University of Porto ltorgo at liacc.up.pt www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the...

...ay to go around this behaviour. Is there an easy way to get these "negative" bars? Thanks, Luis -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo

...strptime(k,"%d-%b-%y") [1] "NA" Thank you in advance for any help with this, Luis Torgo -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or &quot...

...conversion into the number of days (using "julian") from an origin. Thank you for any help. Luis -- Luis Torgo FEP/LIACC, University of Porto Phone : (+351) 22 607 88 30 Machine Learning Group Fax : (+351) 22 600 36 54 R. Campo Alegre, 823 email : ltorgo at liacc.up.pt 4150 PORTO - PORTUGAL WWW : http://www.liacc.up.pt/~ltorgo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[u...