.arch.multi: no visible global function definition for ‘embed’
.arch.multi: no visible global function definition for ‘lm’
.arch.multi: no visible global function definition for ‘resid’
.arch.multi: no visible global function definition for ‘cov’
.arch.multi: no visible global function definition for ‘pchisq’
.arch.uni: no visible global function definition for ‘embed’
.arch.uni: no visible global function definition for ‘lm’
.arch.uni: no visible global function definition for ‘resid’
.arch.uni: no visible global function definition for ‘pchisq’
.bgserial: no visible global function definition for ‘lm’
.bgserial: no visible global function definition for ‘resid’
.bgserial: no visible global function definition for ‘pchisq’
.bgserial: no visible global function definition for ‘pf’
.boot: no visible global function definition for ‘update’
.boot: no visible global function definition for ‘quantile’
.bootirfsvec: no visible global function definition for ‘quantile’
.bootirfvec2var: no visible global function definition for ‘quantile’
.fecov: no visible global function definition for ‘resid’
.fecovvec2var: no visible global function definition for ‘resid’
.jb.multi: no visible global function definition for ‘pchisq’
.jb.uni: no visible global function definition for ‘pchisq’
.matlag2: no visible global function definition for ‘embed’
.pt.multi: no visible global function definition for ‘pchisq’
BQ: no visible global function definition for ‘resid’
Bcoef: no visible global function definition for ‘coef’
Psi.varest: no visible global function definition for ‘resid’
Psi.vec2var: no visible global function definition for ‘resid’
SVAR: no visible global function definition for ‘resid’
SVAR: no visible global function definition for ‘optim’
SVAR: no visible global function definition for ‘head’
SVAR: no visible global function definition for ‘tail’
SVAR: no visible global function definition for ‘pchisq’
SVEC: no visible global function definition for ‘residuals’
SVEC: no visible global function definition for ‘coef’
SVEC: no visible global function definition for ‘Null’
SVEC: no visible global function definition for ‘tail’
SVEC: no visible global function definition for ‘rnorm’
SVEC: no visible global function definition for ‘pchisq’
VAR: no visible global function definition for ‘embed’
VAR: no visible global function definition for ‘lm’
VARselect: no visible global function definition for ‘embed’
VARselect: no visible global function definition for ‘lm.fit’
causality: no visible global function definition for ‘coef’
causality: no visible global function definition for ‘vcov’
causality: no visible binding for global variable ‘predict’
causality: no visible global function definition for ‘residuals’
causality: no visible global function definition for ‘model.matrix’
causality : boot.fun: no visible global function definition for ‘rnorm’
causality : boot.fun: no visible global function definition for
  ‘update’
causality : boot.fun: no visible global function definition for ‘coef’
causality: no visible global function definition for ‘pf’
causality: no visible global function definition for ‘resid’
causality: no visible global function definition for ‘ginv’
causality: no visible global function definition for ‘pchisq’
coef.varest: no visible binding for global variable ‘coef’
fanchart: no visible global function definition for ‘par’
fanchart: no visible global function definition for ‘gray’
fanchart: no visible global function definition for ‘predict’
fanchart: no visible global function definition for ‘plot.ts’
fanchart: no visible global function definition for ‘polygon’
fitted.varest: no visible binding for global variable ‘fitted’
fitted.vec2var: no visible global function definition for ‘resid’
logLik.varest: no visible global function definition for ‘resid’
logLik.varest : <anonymous>: no visible global function definition for
  ‘coef’
logLik.vec2var: no visible global function definition for ‘resid’
plot.varcheck: no visible global function definition for ‘par’
plot.varcheck : plotcheck: no visible global function definition for
  ‘plot.ts’
plot.varcheck : plotcheck: no visible global function definition for
  ‘abline’
plot.varcheck : plotcheck: no visible global function definition for
  ‘acf’
plot.varcheck : plotcheck: no visible global function definition for
  ‘hist’
plot.varcheck : plotcheck: no visible global function definition for
  ‘lines’
plot.varcheck : plotcheck: no visible global function definition for
  ‘density’
plot.varcheck : plotcheck: no visible global function definition for
  ‘pacf’
plot.varest: no visible global function definition for ‘par’
plot.varest: no visible global function definition for ‘resid’
plot.varest : plotest: no visible global function definition for
  ‘layout’
plot.varest : plotest: no visible global function definition for ‘par’
plot.varest : plotest: no visible global function definition for
  ‘plot.ts’
plot.varest : plotest: no visible global function definition for
  ‘lines’
plot.varest : plotest: no visible global function definition for ‘box’
plot.varest : plotest: no visible global function definition for ‘axis’
plot.varest : plotest: no visible global function definition for
  ‘mtext’
plot.varest : plotest: no visible global function definition for
  ‘abline’
plot.varest : plotest: no visible global function definition for ‘acf’
plot.varest : plotest: no visible global function definition for ‘pacf’
plot.varfevd: no visible global function definition for ‘par’
plot.varfevd: no visible global function definition for ‘gray.colors’
plot.varfevd : plotfevd: no visible global function definition for
  ‘barplot’
plot.varfevd : plotfevd: no visible global function definition for
  ‘abline’
plot.varirf: no visible global function definition for ‘par’
plot.varirf : plot.single: no visible global function definition for
  ‘xy.coords’
plot.varirf : plot.single: no visible global function definition for
  ‘plot’
plot.varirf : plot.single: no visible global function definition for
  ‘title’
plot.varirf : plot.single: no visible global function definition for
  ‘axis’
plot.varirf : plot.single: no visible global function definition for
  ‘box’
plot.varirf : plot.single: no visible global function definition for
  ‘lines’
plot.varirf : plot.single: no visible global function definition for
  ‘abline’
plot.varirf : plot.multiple: no visible global function definition for
  ‘par’
plot.varirf : plot.multiple: no visible global function definition for
  ‘xy.coords’
plot.varirf : plot.multiple: no visible global function definition for
  ‘plot’
plot.varirf : plot.multiple: no visible global function definition for
  ‘axis’
plot.varirf : plot.multiple: no visible global function definition for
  ‘abline’
plot.varirf : plot.multiple: no visible global function definition for
  ‘lines’
plot.varirf : plot.multiple: no visible global function definition for
  ‘box’
plot.varirf : plot.multiple: no visible global function definition for
  ‘mtext’
plot.varprd: no visible global function definition for ‘par’
plot.varprd : plotprd: no visible global function definition for
  ‘na.omit’
plot.varprd : plotprd: no visible global function definition for
  ‘plot.ts’
plot.varprd : plotprd: no visible global function definition for
  ‘lines’
plot.varprd : plotprd: no visible global function definition for
  ‘abline’
plot.varstabil: no visible global function definition for ‘par’
plot.varstabil: no visible global function definition for ‘plot’
predict.varest: no visible global function definition for ‘tail’
predict.varest: no visible global function definition for ‘qnorm’
predict.vec2var: no visible global function definition for ‘tail’
predict.vec2var: no visible global function definition for ‘qnorm’
print.varest: no visible global function definition for ‘coef’
print.varsum: no visible global function definition for ‘printCoefmat’
print.varsum: no visible global function definition for ‘pf’
residuals.varest: no visible binding for global variable ‘residuals’
restrict : ser: no visible global function definition for ‘coef’
restrict : ser: no visible global function definition for ‘lm’
restrict: no visible global function definition for ‘lm’
serial.test: no visible global function definition for ‘resid’
stability: no visible global function definition for ‘efp’
summary.varest: no visible global function definition for ‘resid’
summary.varest: no visible global function definition for ‘cov’
summary.varest: no visible global function definition for ‘cor’
toMlm.default: no visible global function definition for ‘lm’
toMlm.varest: no visible global function definition for ‘as.formula’
vcov.varest: no visible global function definition for ‘vcov’
vec2var: no visible global function definition for ‘coef’
vec2var: no visible global function definition for ‘lm’
vec2var: no visible global function definition for ‘tail’
vec2var: no visible global function definition for ‘embed’
Undefined global functions or variables:
  Null abline acf as.formula axis barplot box coef cor cov density efp
  embed fitted ginv gray gray.colors head hist layout lines lm lm.fit
  model.matrix mtext na.omit optim pacf par pchisq pf plot plot.ts
  polygon predict printCoefmat qnorm quantile resid residuals rnorm
  tail title update vcov xy.coords
Consider adding
  importFrom("grDevices", "gray", "gray.colors", "xy.coords")
  importFrom("graphics", "abline", "axis", "barplot", "box", "hist",
             "layout", "lines", "mtext", "par", "plot", "polygon",
             "title")
  importFrom("stats", "acf", "as.formula", "coef", "cor", "cov",
             "density", "embed", "fitted", "lm", "lm.fit",
             "model.matrix", "na.omit", "optim", "pacf", "pchisq", "pf",
             "plot.ts", "predict", "printCoefmat", "qnorm", "quantile",
             "resid", "residuals", "rnorm", "update", "vcov")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.