.ds2: no visible global function definition for 'pt'
contour3d: no visible global function definition for 'quantile'
delta.test: no visible global function definition for 'pchisq'
drawScene.rgl: no visible global function definition for 'rgl.cur'
drawScene.rgl: no visible global function definition for 'open3d'
drawScene.rgl: no visible global function definition for 'clear3d'
drawScene.rgl: no visible global function definition for 'triangles3d'
fmmst.contour.2d: no visible global function definition for 'colors'
fmmst.contour.2d: no visible global function definition for
  'colorRampPalette'
fmmst.contour.2d: no visible global function definition for 'quantile'
fmmst.contour.3d: no visible global function definition for 'colors'
fmmst.contour.3d: no visible global function definition for 'plot3d'
fmmst.contour.3d: no visible global function definition for 'points3d'
fmmst.init: no visible global function definition for 'kmeans'
fmmstt: no visible global function definition for 'uniroot'
fmmtt: no visible global function definition for 'uniroot'
heatColor: no visible global function definition for 'rgb'
init: no visible global function definition for 'kmeans'
init3: no visible global function definition for 'kmeans'
init3: no visible global function definition for 'cov'
init_param1: no visible global function definition for 'cov'
init_param2: no visible global function definition for 'cov'
interpolateVertexColors: no visible global function definition for
  'rgb'
perspLighting: no visible global function definition for 'col2rgb'
perspLighting: no visible global function definition for 'rgb'
phi : erfc: no visible global function definition for 'pnorm'
phiinv : erfcinv: no visible global function definition for 'qnorm'
phongLighting: no visible global function definition for 'col2rgb'
phongLighting: no visible global function definition for 'rgb'
pmt.biv: no visible global function definition for 'cov2cor'
pmt.mtv: no visible global function definition for 'cov2cor'
pmt.mtv: no visible global function definition for 'pt'
qscmvtv: no visible global function definition for 'runif'
qscmvtv: no visible global function definition for 'qgamma'
renderScene: no visible global function definition for 'col2rgb'
renderScene: no visible global function definition for 'rgb'
rmst: no visible global function definition for 'rgamma'
sadmvn: no visible global function definition for 'cov2cor'
sadmvn: no visible global function definition for 'pnorm'
vertexColors: no visible global function definition for 'col2rgb'
Undefined global functions or variables:
  clear3d col2rgb colorRampPalette colors cov cov2cor kmeans open3d
  pchisq plot3d pnorm points3d pt qgamma qnorm quantile rgamma rgb
  rgl.cur runif triangles3d uniroot
Consider adding
  importFrom("grDevices", "col2rgb", "colorRampPalette", "colors", "rgb")
  importFrom("stats", "cov", "cov2cor", "kmeans", "pchisq", "pnorm",
             "pt", "qgamma", "qnorm", "quantile", "rgamma", "runif",
             "uniroot")
to your NAMESPACE file.