Hello, Works with me, but I'm using R v 3.3.0. Note that your version of R is over 1 year old, try updating it.
install.packages("caret") install.packages("e1071") library(caret) library(e1071) set.seed(100) tr.control <- trainControl(method="cv", number=10) class(tr.control) [1] "list" Hope this helps, Rui Barradas Citando Muhammad Bilal <muhammad2.bi...@live.uwe.ac.uk>: > Firstly, many thanks for kind consideration. > > ***I wrote the following R code: > install.packages("caret") > install.packages("e1071") > > library(caret) > library(e1071) > > set.seed(100) > > tr.control <- trainControl(method="cv", number=10) > Error: could not find function "trainControl" > > cp.grid <- expand.grid(.cp = (0:10)*0.001) > > tr_m <- train(project_delay ~ project_lon + project_lat + > project_duration + sector + contract_type + capital_value, data = > trainPFI, method="rpart", trControl=tr.control, tuneGrid = cp.grid) > Error: could not find function "train" > > I hope this will explain the situation I am facing right now. > > ***Below are the details of session info: >> sessionInfo() > > R version 3.2.0 (2015-04-16) > Platform: i386-w64-mingw32/i386 (32-bit) > Running under: Windows 7 (build 7601) Service Pack 1 > > locale: > [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United > States.1252 > [3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C > [5] LC_TIME=English_United States.1252 > > attached base packages: > [1] tcltk stats graphics grDevices utils datasets > methods base > > other attached packages: > [1] e1071_1.6-7 lattice_0.20-31 caTools_1.17.1 > rpart.plot_1.5.3 rpart_4.1-10 > [6] XML_3.98-1.4 maps_3.1.0 plotrix_3.6-1 xlsx_0.5.7 > xlsxjars_0.6.1 > [11] rJava_0.9-8 sqldf_0.4-10 RSQLite_1.0.0 DBI_0.3.1 > gsubfn_0.6-6 > [16] proto_0.3-10 ggplot2_2.1.0 > > loaded via a namespace (and not attached): > [1] codetools_0.2-11 digest_0.6.9 scales_0.4.0 grid_3.2.0 > bitops_1.0-6 > [6] stringr_1.0.0 munsell_0.4.3 nnet_7.3-9 labeling_0.3 > foreach_1.4.3 > [11] iterators_1.0.8 chron_2.3-47 MASS_7.3-40 plyr_1.8.3 > stringi_1.0-1 > [16] magrittr_1.5 reshape2_1.4.1 gtable_0.2.0 > colorspace_1.2-6 tools_3.2.0 > [21] nlme_3.1-120 class_7.3-12 Rcpp_0.11.6 > > I even tried loading the caret package using require() function but > no success. > > Many Thanks and > > Kind Regards > > -- > Muhammad Bilal > Research Fellow and Doctoral Researcher, > Bristol Enterprise, Research, and Innovation Centre (BERIC), > University of the West of England (UWE), > Frenchay Campus, > Bristol, > BS16 1QY > > muhammad2.bi...@live.uwe.ac.uk<mailto:olugbenga2.akin...@live.uwe.ac.uk> > > ________________________________ > From: Jeff Newmiller <jdnew...@dcn.davis.ca.us> > Sent: 08 May 2016 02:37:52 > To: Muhammad Bilal; r-help@r-project.org > Subject: Re: [R] trainControl and train functions are not found in > caret package > > Reproducible example? At least whatever you did... and the output of > sessionInfo(). > > Did you use library function to load it into memory? > -- > Sent from my phone. Please excuse my brevity. > > On May 7, 2016 5:40:26 PM PDT, Muhammad Bilal > <muhammad2.bi...@live.uwe.ac.uk> wrote: > > Hi All, > > Whilst using 'trainControl' and 'train' functions in R studio, an > error is raised stating that the functions are not found. > > I tried installing the caret function a few times, but the error persists. > > Can anyone guide me how to access these functions. > > Many Thanks and > > Kind Regards > > -- > Muhammad Bilal > Research Fellow and Doctoral Researcher, > Bristol Enterprise, Research, and Innovation Centre (BERIC), > University of the West of England (UWE), > Frenchay Campus, > Bristol, > BS16 1QY > > muhammad2.bi...@live.uwe.ac.uk<mailto:olugbenga2.akin...@live.uwe.ac.uk> > > [[alternative HTML version deleted]] > > ________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read > the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.htmland provide commented, > minimal, self-contained, reproducible code. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.