• using R Under development (unstable) (2018-06-21 r74928)
• using platform: x86_64-pc-linux-gnu (64-bit)
• using session charset: UTF-8
• checking for file ‘mwa/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘mwa’ version ‘0.4.1’
• 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 ‘mwa’ 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 ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [8s/16s] NOTE
  plot.matchedwake: no visible global function definition for
    ‘filled.contour’
  plot.matchedwake: no visible binding for global variable ‘gray.colors’
  plot.matchedwake: no visible global function definition for ‘axis’
  plot.matchedwake: no visible global function definition for ‘rect’
  slideWakeMatch: no visible binding for global variable ‘lm’
  slideWakeMatch: no visible global function definition for ‘as.formula’
  slideWakeMatch: no visible global function definition for ‘summary.glm’
  Undefined global functions or variables:
    as.formula axis filled.contour gray.colors lm rect summary.glm
  Consider adding
    importFrom("grDevices", "gray.colors")
    importFrom("graphics", "axis", "filled.contour", "rect")
    importFrom("stats", "as.formula", "lm", "summary.glm")
  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 ... [1s/3s] OK
• checking PDF version of manual ... OK
• DONE

Status: 1 NOTE