importFrom("graphics", "legend", "lines", "par", "plot", "points","text")
importFrom("stats", "cor", "cov", "pchisq", "quantile", "rbeta", "rbinom", "rmultinom", "runif", "var")

export(EI, data.GP, data.GP.improv, PL, dist2covar.symm, papply,
PL.clear, distance, params.CGP, draw.CGP, data.ConstGP.improv,
addpall.ConstGP, draw.GP, addpall.GP, ei.adapt, phist,
alc.ConstGP, entropy, pred.CGP, alc.GP, entropy.adapt,
pred.ConstGP, alc.adapt, mindist.adapt, entropy.bvsb, pred.GP,
prior.ConstGP, calc.eis, getmap.CGP, prior.GP, calc.ents,
covar, init.ConstGP, renorm.lweights, covar.sep, init.GP,
renorm.weights, covar.sim, latents.CGP, resample, cv.folds,
lpost.GP, tquants, lpredprob.GP, data.CGP, lpredprob.CGP,
importFrom("graphics", "hist", "image", "legend", "par", "points")
importFrom("stats", "dexp", "dt", "dunif", "optim", "pt", "qt",

importFrom("stats", "approx", "lsfit", "quantile", "var")

importFrom("graphics", "arrows", "axis", "par", "plot", "text")
importFrom("stats", "as.formula", "coef", "dnorm", "sd")

export(plm, pvcm, pgmm, pggls, pht, plm.data, plmtest, phtest, pFtest,
pvar, pdim, pooltest, dynformula, sargan, mtest, ercomp, pvcovHC,
pbsytest, pdwtest, pbgtest, pbltest, pwartest, pwtest, pwfdtest, pcdtest,
pdata.frame, between, Between, Within, pFormula, pmodel.response)

export(plm, pvcm, pgmm, pggls, pht, pccep, pmg, plm.data, plmtest, phtest, pFtest,
pdata.frame, between, Between, Within, pFormula, pmodel.response,
purtest, cipstest, vcovBK, vcovSCC, r.squared)

pdata.frame, between, Between, Within, pFormula, pmodel.response, purtest, vcovBK, vcovSCC)

export(plm, pvcm, pgmm, pggls, pht, pcce, pmg, plm.data, plmtest, phtest, pFtest,
purtest, cipstest, vcovBK, vcovSCC, r.squared, has.intercept,

export(plm, pvcm, pgmm, pggls, pht, pcce, pmg, plmtest, phtest, pFtest,
plm.data, pdata.frame, between, Between, Within, pFormula, pmodel.response,
index, fixef, vcovHC, vcovDC, vcovNW, vcovG, piest, aneweytest)
importFrom("graphics", "abline", "axis", "barplot", "legend", "lines",
importFrom("stats", "approx", "as.formula", "coef", "coefficients",
"fitted", "formula", "lm", "lm.fit", "model.frame",
"model.matrix", "model.response", "na.omit", "pchisq", "pf",
"pnorm", "printCoefmat", "pt", "resid", "residuals",