exportPattern("^[[:alpha:]]+")
import(Matrix)
importFrom("stats","coef","integrate","lm","model.frame","pchisq","pf",
           "pnorm","printCoefmat","pt","qf","qnorm","qt","resid",
           "terms","uniroot")
export(condPvalue, invTwobyTwoSymMatrix, quadSolver, kClassEst, LIMLEst,FullerEst,CLR.test,AR.test,AR.power,AR.size,ARsens.test,
       ARsens.power, ARsens.size, qrrank, qrRM, ivmodel, coef.ivmodel, para, summary.ivmodel, confint.ivmodel, TSLS.power, TSLS.size)
S3method("coef","ivmodel")
S3method("confint","ivmodel")
S3method("summary","ivmodel")
