S3method(coef,   regsdml)
S3method(confint,regsdml)
S3method(print,  confint.regsdml)
S3method(print,  regsdml)
S3method(print,  summary.regsdml)
S3method(print,  vcov.regsdml) 
S3method(summary,regsdml)
S3method(vcov,   regsdml)
export(regsdml)
importFrom(randomForest,randomForest)
importFrom(splines,bs)
importFrom(stats,
	as.formula, lm, median, model.matrix, 
	na.omit, pnorm, predict, qnorm)
importFrom(glmnet, cv.glmnet)
importFrom(matrixcalc, is.positive.definite)
