• using R Under development (unstable) (2012-02-23 r58468)
• using platform: i686-pc-linux-gnu (32-bit)
• using session charset: UTF-8
• checking for file ‘knnflex/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘knnflex’ version ‘1.1.1’
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... NOTE
  As from R 2.14.0 all packages need a namespace.
  One will be generated on installation, but it is better to handcraft a
  NAMESPACE file: R CMD build will produce a suitable starting point.
• checking for executable files ... OK
• checking whether package ‘knnflex’ 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 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 ... OK
• 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: ‘class’
• checking examples ... ERROR
  Running examples in ‘knnflex-Ex.R’ failed
  The error most likely occurred in:
  
  > ### Name: knn.dist
  > ### Title: Calculates the distances to be used for KNN predictions
  > ### Aliases: knn.dist
  > ### Keywords: methods
  >
  > ### ** Examples
  >
  > #a quick classification example
  > # a quick classification example
  > x1 <- c(rnorm(20,mean=1),rnorm(20,mean=5))
  > x2 <- c(rnorm(20,mean=5),rnorm(20,mean=1))
  > x <- cbind(x1,x2)
  > y <- c(rep(1,20),rep(0,20))
  > train <- sample(1:40,30)
  > # plot the training cases
  > plot(x1[train],x2[train],col=y[train]+1,xlab="x1",ylab="x2")
  > # predict the other cases
  > test <- (1:40)[-train]
  > kdist <- knn.dist(x)
  > preds <- knn.predict(train,test,y,kdist,k=3,agg.meth="majority")
  > # add the predictions to the plot
  > points(x1[test],x2[test],col=as.integer(preds)+1,pch="+")
  > # display the confusion matrix
  > table(y[test],preds)
  preds
  0 1
  0 4 0
  1 0 6
  >
  >
  > # the iris example used by knn(class)
  > library(class)
  Error in library(class) : there is no package called ‘class’
  Execution halted