initialize,D2C: warning in sort(IM, decr = TRUE, ind = TRUE): partial
  argument match of 'decr' to 'decreasing'
updateD2C,D2C: warning in sort(IM, decr = TRUE, ind = TRUE): partial
  argument match of 'decr' to 'decreasing'
D2C.2: no visible global function definition for 'quantile'
D2C.2: no visible global function definition for 'sd'
D2C.2: no visible global function definition for 'median'
D2C.2: no visible global function definition for 'cor'
D2C.2: no visible global function definition for 'acf'
D2C.2: no visible global function definition for 'pacf'
D2C.n: no visible global function definition for 'quantile'
H_Rn: no visible global function definition for 'runif'
H_sigmoid: no visible global function definition for 'runif'
Icond: no visible global function definition for 'cor'
PRESS: no visible global function definition for 'resid'
PRESS: no visible global function definition for 'lm.influence'
assoc: no visible global function definition for 'cor'
assoc: no visible global function definition for 'cor.test'
corDC: no visible global function definition for 'cor'
corXY: no visible global function definition for 'cor'
demo: no visible global function definition for 'rnorm'
mimr: no visible global function definition for 'var'
mimr: no visible binding for global variable 'var'
mimr: no visible global function definition for 'cor'
npred: no visible binding for global variable 'sd'
npred: no visible global function definition for 'var'
pcor1: no visible global function definition for 'cor'
ppears: no visible global function definition for 'pnorm'
quantization: no visible global function definition for 'median'
quantization: no visible global function definition for 'quantile'
rankrho: no visible global function definition for 'var'
regrlin: no visible global function definition for 'sd'
regrlin.d: no visible global function definition for 'sd'
varpred: no visible binding for global variable 'sd'
compute,DAG.network: no visible global function definition for
  'numNodes'
compute,DAG.network: no visible global function definition for
  'inEdges'
initialize,D2C: no visible binding for global variable 'i'
initialize,D2C: no visible global function definition for 'nodes'
initialize,D2C: no visible global function definition for 'subGraph'
initialize,D2C: no visible global function definition for 'inEdges'
initialize,D2C: no visible binding for global variable 'sd'
initialize,DAG.network : <anonymous>: no visible global function
  definition for 'rnorm'
initialize,DAG.network: no visible global function definition for
  'runif'
initialize,simulatedDAG: no visible binding for global variable 'i'
initialize,simulatedDAG: no visible global function definition for
  'runif'
initialize,simulatedDAG: no visible global function definition for
  'edges'
predict,D2C: no visible binding for global variable 'sd'
updateD2C,D2C: no visible binding for global variable 'i'
updateD2C,D2C: no visible global function definition for 'nodes'
updateD2C,D2C: no visible global function definition for 'subGraph'
updateD2C,D2C: no visible global function definition for 'inEdges'
Undefined global functions or variables:
  acf cor cor.test edges i inEdges lm.influence median nodes numNodes
  pacf pnorm quantile resid rnorm runif sd subGraph var
Consider adding
  importFrom("stats", "acf", "cor", "cor.test", "lm.influence", "median",
             "pacf", "pnorm", "quantile", "resid", "rnorm", "runif",
             "sd", "var")
to your NAMESPACE file.