alpha: no visible binding for global variable 'sd'
dummy.G: no visible global function definition for 'var'
get_GQI: no visible binding for global variable 'sd'
get_GQI: no visible global function definition for 'cor'
get_PLSR: no visible binding for global variable 'var'
get_PLSR: no visible global function definition for 'var'
get_PLSR: no visible global function definition for 'cor'
get_PLSR_NA : <anonymous>: no visible global function definition for
  'var'
get_PLSR_NA: no visible global function definition for 'var'
get_PLSR_NA: no visible global function definition for 'cor'
get_PLSRdoubleQ: no visible binding for global variable 'var'
get_PLSRdoubleQ: no visible binding for global variable 'sd'
get_PLSRdoubleQ: no visible global function definition for 'cor'
get_alpha: no visible global function definition for 'var'
get_alpha: no visible global function definition for 'cor'
get_boot_stats: no visible binding for global variable 'sd'
get_boot_stats : <anonymous>: no visible global function definition for
  'quantile'
get_boots: no visible global function definition for 'cor'
get_data_scaled: no visible binding for global variable 'sd'
get_locals_test: no visible global function definition for 'cor'
get_num_scale: no visible global function definition for 'na.omit'
get_ord_scale: no visible global function definition for 'var'
get_path_scheme: no visible global function definition for 'lm'
get_path_scheme: no visible global function definition for 'cor'
get_paths: no visible global function definition for 'lm'
get_plsr1: no visible binding for global variable 'sd'
get_plsr1: no visible global function definition for 'cor'
get_rho: no visible global function definition for 'cor'
get_scores: no visible global function definition for 'cor'
get_treated_data: no visible binding for global variable 'sd'
get_unidim: no visible binding for global variable 'sd'
get_unidim: no visible global function definition for 'princomp'
get_unidim: no visible global function definition for 'var'
get_unidim: no visible global function definition for 'cor'
get_weights: no visible binding for global variable 'sd'
get_weights: no visible global function definition for 'cor'
get_weights_nonmetric: no visible global function definition for 'cor'
get_weights_nonmetric: no visible global function definition for 'cov'
get_weights_nonmetric: no visible global function definition for 'lm'
get_weights_nonmetric: no visible binding for global variable 'sd'
it.reb: no visible global function definition for 'cutree'
it.reb: no visible binding for global variable 'sd'
it.reb: no visible global function definition for 'cor'
outerplot: no visible global function definition for 'par'
plspm: no visible global function definition for 'cor'
plspm.fit: no visible global function definition for 'cor'
plspm.groups: no visible binding for global variable 'var'
plspm.groups: no visible global function definition for 'pt'
quantiplot_lv: no visible global function definition for 'par'
quantiplot_lv: no visible global function definition for 'plot'
quantiplot_lv: no visible global function definition for 'lines'
quantiplot_lv: no visible global function definition for 'title'
quantiplot_mv: no visible global function definition for 'plot'
quantiplot_mv: no visible global function definition for 'lines'
quantiplot_mv: no visible global function definition for 'title'
res.clus: no visible global function definition for 'plot'
rho: no visible binding for global variable 'sd'
rho: no visible global function definition for 'princomp'
summary.plspm: no visible global function definition for 'cor'
unidim: no visible binding for global variable 'sd'
unidim: no visible global function definition for 'princomp'
Undefined global functions or variables:
  cor cov cutree lines lm na.omit par plot princomp pt quantile sd
  title var
Consider adding
  importFrom("graphics", "lines", "par", "plot", "title")
  importFrom("stats", "cor", "cov", "cutree", "lm", "na.omit",
             "princomp", "pt", "quantile", "sd", "var")
to your NAMESPACE file.