• using R version 3.5.0 Patched (2018-06-15 r74904)
• using platform: x86_64-pc-linux-gnu (64-bit)
• using session charset: UTF-8
• checking for file ‘rda/DESCRIPTION’ ... OK
• this is package ‘rda’ version ‘1.0.2-2’
• 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 for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking serialization versions ... OK
• checking whether package ‘rda’ can be installed ... OK
• checking package directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over 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 loading without being on the library search path ... OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... NOTE
  Found the following apparent S3 methods exported but not registered:
    plot.rdacv predict.rda
  See section ‘Registering S3 methods’ in the ‘Writing R Extensions’
  manual.
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [5s/7s] NOTE
  Drda1: no visible global function definition for ‘model.matrix’
  permute.rows: no visible global function definition for ‘runif’
  plot.rdacv: no visible global function definition for ‘par’
  rda.plotmat: no visible global function definition for ‘par’
  rda.plotmat: no visible global function definition for ‘plot’
  rda.plotmat: no visible global function definition for ‘layout’
  rda.plotmat: no visible global function definition for ‘image’
  rda.plotmat: no visible global function definition for ‘terrain.colors’
  rda.plotmat: no visible global function definition for ‘axis’
  rda.plotmat: no visible global function definition for ‘points’
  rda.plotmat: no visible global function definition for ‘legend’
  rda1: no visible global function definition for ‘model.matrix’
  Undefined global functions or variables:
    axis image layout legend model.matrix par plot points runif
    terrain.colors
  Consider adding
    importFrom("grDevices", "terrain.colors")
    importFrom("graphics", "axis", "image", "layout", "legend", "par",
               "plot", "points")
    importFrom("stats", "model.matrix", "runif")
  to your NAMESPACE file.
• checking Rd files ... OK
• checking Rd metadata ... OK
• checking Rd line widths ... 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 ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking examples ... ERROR
  Running examples in ‘rda-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: predict.rda
  > ### Title: RDA Prediction Function
  > ### Aliases: predict.rda
  >
  > ### ** Examples
  >
  > data(colon)
  > colon.x <- t(colon.x)
  >
  > ## divide the data set into a training set and a test
  > ## set using a ratio of 2:1.
  > tr.index <- sample(1:62, 40)
  > fit <- rda(colon.x[, tr.index], colon.y[tr.index])
  >
  > ## predict the class labels of the test set at alpha=0.1
  > ## and delta=0.5
  > ynew <- predict(fit, x=colon.x[, tr.index], y=colon.y[tr.index],
  + xnew=colon.x[, -tr.index], alpha=0.1, delta=0.5)
  Error in UseMethod("predict") :
    no applicable method for 'predict' applied to an object of class "rda"
  Calls: predict
  Execution halted
• checking PDF version of manual ... OK
• DONE

Status: 1 ERROR, 2 NOTEs