addManual: no visible global function definition for 'coordinates'
addManual: no visible global function definition for 'title'
addManual: no visible global function definition for 'points'
addManual: no visible global function definition for 'locator'
addManual: no visible global function definition for 'coordinates<-'
anisotropyChoice: no visible global function definition for
  'as.formula'
anisotropyChoice: no visible global function definition for
  'coordinates'
anisotropyChoice: no visible global function definition for 'chull'
anisotropyChoice: no visible global function definition for
  'SpatialPoints'
biasCorr: no visible global function definition for 'as.formula'
biasCorr: no visible global function definition for 'is.projected'
biasCorr: no visible global function definition for 'proj4string'
calculateDensity: no visible global function definition for
  'filled.contour'
calculateDensity: no visible binding for global variable
  'terrain.colors'
calculateDensity: no visible global function definition for
  'dev.copy2eps'
calculateMukv: no visible global function definition for 'getSlots'
calculateMukv: no visible global function definition for 'terms'
calculateMukv: no visible global function definition for 'coordinates'
calculateMukv: no visible global function definition for
  'SpatialPointsDataFrame'
dSolve: no visible global function definition for 'as.formula'
dSolve: no visible global function definition for 'lm'
delManual: no visible global function definition for 'title'
delManual: no visible global function definition for 'points'
delManual: no visible global function definition for 'coordinates'
delManual: no visible global function definition for 'identify'
doSegmentation: no visible global function definition for 'coordinates'
fillPerimeters: no visible global function definition for 'points'
fillPerimeters: no visible global function definition for
  'dev.copy2eps'
findBiasUK: no visible global function definition for 'coordinates'
findBiasUK: no visible global function definition for 'na.omit'
findBiasUK: no visible global function definition for 'coordinates<-'
findBoundaryLines: no visible global function definition for
  'proj4string<-'
findBoundaryLines: no visible global function definition for 'CRS'
findBoundaryLines: no visible global function definition for 'extends'
findBoundaryLines: no visible global function definition for
  'coordinates<-'
findBoundaryLines: no visible global function definition for
  'is.projected'
findPerimeters: no visible global function definition for 'points'
localNetworkBias: no visible global function definition for 'write.csv'
optimizeNetwork: no visible global function definition for
  'SpatialPointsDataFrame'
optimizeNetwork: no visible global function definition for
  'coordinates'
regionalDiff: no visible global function definition for 'SpatialLines'
regionalDiff: no visible global function definition for 'Lines'
regionalDiff: no visible global function definition for 'Line'
regionalDiff: no visible global function definition for 'coordinates'
regionalDiff: no visible global function definition for 'proj4string<-'
regionalDiff: no visible global function definition for 'CRS'
regionalDiff: no visible global function definition for 'proj4string'
rmDist: no visible global function definition for 'sd'
segmentData: no visible global function definition for 'points'
segmentData: no visible global function definition for 'mtext'
spCovAdd: no visible global function definition for 'SpatialPoints'
spCovAdd: no visible global function definition for 'coordinates'
spCovAdd: no visible global function definition for 'as'
spCovAdd: no visible global function definition for 'coordinates<-'
spCovAdd: no visible global function definition for 'points'
spCovAdd: no visible global function definition for 'title'
spCovDel: no visible global function definition for 'coordinates'
spCovDel: no visible global function definition for 'coordinates<-'
spCovDel: no visible global function definition for 'points'
spCovDel: no visible global function definition for 'title'
ssaMap: no visible global function definition for 'coordinates'
ssaMap: no visible global function definition for 'as.formula'
ssaMap: no visible global function definition for 'terms'
ssaMap: no visible global function definition for 'bbox'
ssaMap: no visible global function definition for 'SpatialPoints'
ssaMap: no visible global function definition for 'Polygons'
ssaMap: no visible global function definition for 'Polygon'
ssaMap: no visible global function definition for
  'SpatialPolygonsDataFrame'
ssaMap: no visible global function definition for 'SpatialPolygons'
ssaMap: no visible global function definition for 'runif'
ssaMap: no visible global function definition for 'coordinates<-'
ssaMap: no visible global function definition for 'zerodist'
ssaMap: no visible global function definition for 'proj4string'
ssaMap: no visible global function definition for 'over'
ssaMap: no visible global function definition for 'CRS'
ssaMap: no visible global function definition for 'gridded<-'
ssaMap: no visible global function definition for 'points'
ssaMap: no visible global function definition for 'title'
ssaOptim: no visible global function definition for
  'SpatialPointsDataFrame'
ssaOptim: no visible global function definition for 'coordinates'
ssaOptim: no visible global function definition for 'terms'
ssaOptim: no visible global function definition for 'model.frame'
ssaOptim: no visible global function definition for 'delete.response'
ssaOptim: no visible global function definition for 'SpatialPoints'
ssaOptim: no visible global function definition for 'gridded<-'
ssaOptim: no visible global function definition for 'getSlots'
ssaOptim: no visible global function definition for 'proj4string'
ssaOptim: no visible global function definition for 'proj4string<-'
ssaOptim: no visible global function definition for 'as.formula'
ssaOptim: no visible global function definition for 'over'
ssaOptim: no visible global function definition for 'CRS'
ssaOptim: no visible global function definition for 'setNames'
Undefined global functions or variables:
  CRS Line Lines Polygon Polygons SpatialLines SpatialPoints
  SpatialPointsDataFrame SpatialPolygons SpatialPolygonsDataFrame as
  as.formula bbox chull coordinates coordinates<- delete.response
  dev.copy2eps extends filled.contour getSlots gridded<- identify
  is.projected lm locator model.frame mtext na.omit over points
  proj4string proj4string<- runif sd setNames terms terrain.colors
  title write.csv zerodist
Consider adding
  importFrom("grDevices", "chull", "dev.copy2eps", "terrain.colors")
  importFrom("graphics", "filled.contour", "identify", "locator",
             "mtext", "points", "title")
  importFrom("methods", "as", "extends", "getSlots")
  importFrom("stats", "as.formula", "delete.response", "lm",
             "model.frame", "na.omit", "runif", "sd", "setNames",
             "terms")
  importFrom("utils", "write.csv")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').