Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/all_na.Rd:44: file link ‘is.na’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/all_na.Rd:74: file link ‘anyNA’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/all_na.Rd:78: file link ‘is.na’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/impute-commutative.Rd:92: file link ‘max’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/impute-commutative.Rd:92: file link ‘min’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/impute-noncommutative.Rd:47: file link ‘cummax’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/na.bootstrap.Rd:33: file link ‘set.seed’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/na.rm.Rd:23: file link ‘na.omit’ in package ‘stats’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/na.rm.Rd:24: file link ‘na.exclude’ in package ‘stats’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/na.rm.Rd:31: file link ‘na.omit’ in package ‘stats’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpwBbNXo/R.INSTALL4c854ec01c62/na.tools/man/na.rm.Rd:31: file link ‘na.exclude’ in package ‘stats’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/na.tools.Rcheck/00install.out’ for details.