• using R Under development (unstable) (2012-02-06 r58287)
• using platform: i686-pc-linux-gnu (32-bit)
• using session charset: UTF-8
• checking for file ‘TWIX/DESCRIPTION’ ... OK
• this is package ‘TWIX’ version ‘0.2.10’
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking whether package ‘TWIX’ can be installed ... OK
• checking installed package size ... OK
• checking package directory ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking R files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking for unstated dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... NOTE
  TWIX: warning in match.call(expand = FALSE): partial argument match of
  'expand' to 'expand.dots'
  bootTWIX: warning in match.call(expand = FALSE): partial argument match
  of 'expand' to 'expand.dots'
  scree.plot: warning in match.call(expand = FALSE): partial argument
  match of 'expand' to 'expand.dots'
  trace.plot: warning in matrix(c(2, 1), nc = 2): partial argument match
  of 'nc' to 'ncol'
  trace.plot: warning in matrix(c(1, 1), nc = 1): partial argument match
  of 'nc' to 'ncol'
  tune.RF: warning in match.call(expand = FALSE): partial argument match
  of 'expand' to 'expand.dots'
  tune.TWIX: warning in match.call(expand = FALSE): partial argument
  match of 'expand' to 'expand.dots'
  tune.rpart: warning in match.call(expand = FALSE): partial argument
  match of 'expand' to 'expand.dots'
  tune.rpart : clus.tune.minbuck: warning in rpart.control(maxdepth =
  maxdepth, minsplit = z, minbuck = z, cp = cp, xval = 0): partial
  argument match of 'minbuck' to 'minbucket'
  tune.rpart : clus.tune.runs: warning in rpart.control(maxdepth =
  maxdepth, minsplit = minbuck[i], minbuck = minbuck[i], cp = cp, xval
  = 0): partial argument match of 'minbuck' to 'minbucket'
  tune.rpart: warning in rpart.control(maxdepth = maxdepth, minsplit =
  minbuck[i], minbuck = minbuck[i], cp = cp, xval = 0): partial
  argument match of 'minbuck' to 'minbucket'
• checking Rd files ... OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... WARNING
  ‘library’ or ‘require’ call not declared from: ‘MASS’
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking line endings in C/C++/Fortran sources/headers ... OK
• checking line endings in Makefiles ... OK
• checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
• checking compiled code ... OK
• checking examples ... ERROR
  Running examples in ‘TWIX-Ex.R’ failed
  The error most likely occurred in:
  
  > ### Name: bootTWIX
  > ### Title: Bootstrap of the TWIX trees
  > ### Aliases: bootTWIX
  > ### Keywords: tree classif
  >
  > ### ** Examples
  >
  > library(ElemStatLearn)
  > data(SAheart)
  >
  > ### response variable must be a factor
  > SAheart$chd <- factor(SAheart$chd)
  >
  >
  > ### test and train data
  > ###
  > set.seed(1234)
  > icv <- sample(nrow(SAheart),nrow(SAheart)*0.3)
  > itr <- setdiff(1:nrow(SAheart),icv)
  > train <- SAheart[itr,]
  > test <- SAheart[icv,]
  >
  >
  > ### Bagging with greedy decision trees as base classifier
  > M1 <- bootTWIX(chd~.,data=train,nbagg=50)
  >
  >
  >
  > ### Bagging with the p-value adjusted classification trees (alpha is 0.01)
  > ### as base classifier
  > M2 <- bootTWIX(chd~.,data=train,nbagg=50,splitf="p-adj",Devmin=0.01)
  >
  >
  > library(MASS)
  Error in library(MASS) : there is no package called ‘MASS’
  Execution halted