Found the following significant warnings:
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/autoplot.partial.Rd:95: file link ‘ggplot2’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/boston.Rd:33: file link ‘BostonHousing2’ in package ‘mlbench’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/grid.arrange.Rd:10: file link ‘grid.arrange’ in package ‘gridExtra’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/partial.Rd:180: file link ‘lattice’ in package ‘lattice’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/pdp.Rd:21: file link ‘lattice’ in package ‘lattice’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/pdp.Rd:22: file link ‘ggplot2’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/pima.Rd:27: file link ‘PimaIndiansDiabetes2’ in package ‘mlbench’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/pipe.Rd:10: file link ‘%>%’ in package ‘magrittr’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:96: file link ‘lattice’ in package ‘lattice’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:80: file link ‘viridis’ in package ‘viridis’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:87: file link ‘co.intervals’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:88: file link ‘equal.count’ in package ‘lattice’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:91: file link ‘co.intervals’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/plotPartial.Rd:91: file link ‘equal.count’ in package ‘lattice’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmpyv73lZ/R.INSTALL679e603ae816/pdp/man/trellis.last.object.Rd:10: file link ‘trellis.last.object’ in package ‘lattice’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/pdp.Rcheck/00install.out’ for details.