MCMC.STmodel: no visible global function definition for 'rnorm'
MCMC.STmodel: no visible global function definition for 'runif'
SVDsmooth : <anonymous>: no visible global function definition for
  'smooth.spline'
SVDsmooth : <anonymous>: no visible global function definition for 'sd'
SVDsmoothCV: no visible global function definition for 'lm'
SVDsmoothCV: no visible global function definition for 'extractAIC'
SVDsmoothCV: no visible binding for global variable 'weighted.mean'
SVDsmoothCV: no visible global function definition for 'weighted.mean'
boxplot.SVDcv: no visible global function definition for 'par'
createLUR: no visible global function definition for 'model.matrix'
createSTmodel: no visible binding for global variable 'sd'
detrendSTdata: no visible binding for global variable 'lm'
estimate.STmodel: no visible global function definition for 'optim'
estimateBetaFields: no visible global function definition for 'lm'
estimateBetaFields: no visible global function definition for
  'coefficients'
estimateBetaFields: no visible global function definition for 'vcov'
internalCreateTrendFnc : trend.fnc: no visible global function
  definition for 'spline'
internalPlotPredictions: no visible global function definition for
  'qnorm'
internalPlotPredictions: no visible global function definition for
  'polygon'
internalPlotPredictions: no visible global function definition for
  'lines'
internalPlotPredictions: no visible global function definition for
  'points'
internalPlotPredictions: no visible global function definition for
  'abline'
internalQQnormPlot: no visible global function definition for 'abline'
internalQQnormPlot: no visible global function definition for 'qqline'
internalScatterPlot: no visible global function definition for 'points'
internalScatterPlot: no visible binding for global variable
  'loess.smooth'
internalScatterPlot: no visible global function definition for 'lines'
internalSummaryPredCVSTmodel: no visible global function definition for
  'var'
internalSummaryPredCVSTmodel: no visible global function definition for
  'qnorm'
plot.STdata: no visible global function definition for 'lm'
plot.STdata: no visible binding for global variable 'na.pass'
plot.STdata: no visible binding for global variable 'acf'
plot.STdata: no visible binding for global variable 'pacf'
plot.STdata: no visible global function definition for 'points'
plot.STdata: no visible global function definition for 'lines'
plot.STdata: no visible global function definition for 'legend'
plot.SVDcv: no visible global function definition for 'par'
plot.SVDcv: no visible global function definition for 'lines'
plot.SVDcv : <anonymous>: no visible global function definition for
  'points'
plot.SVDcv : <anonymous>: no visible global function definition for
  'abline'
plot.density.mcmcSTmodel: no visible global function definition for
  'dnorm'
plot.density.mcmcSTmodel: no visible global function definition for
  'lines'
plot.mcmcSTmodel: no visible global function definition for 'lines'
predictNaive: no visible global function definition for 'lm'
print.predictSTmodel: no visible global function definition for 'str'
processLUR: no visible global function definition for 'as.formula'
simulate.STmodel: no visible global function definition for 'rnorm'
updateCovf: no visible global function definition for 'as.formula'
updateCovf: no visible global function definition for 'model.frame'
updateCovf: no visible global function definition for 'model.matrix'
updateCovf : <anonymous>: no visible global function definition for
  'model.matrix'
Undefined global functions or variables:
  abline acf as.formula coefficients dnorm extractAIC legend lines lm
  loess.smooth model.frame model.matrix na.pass optim pacf par points
  polygon qnorm qqline rnorm runif sd smooth.spline spline str var vcov
  weighted.mean
Consider adding
  importFrom("graphics", "abline", "legend", "lines", "par", "points",
             "polygon")
  importFrom("stats", "acf", "as.formula", "coefficients", "dnorm",
             "extractAIC", "lm", "loess.smooth", "model.frame",
             "model.matrix", "na.pass", "optim", "pacf", "qnorm",
             "qqline", "rnorm", "runif", "sd", "smooth.spline", "spline",
             "var", "vcov", "weighted.mean")
  importFrom("utils", "str")
to your NAMESPACE file.