from . import iolib
from . import datasets
from . import tools
from .tools.tools import add_constant, categorical
from . import regression
from .regression.linear_model import OLS, GLS, WLS, GLSAR
from .regression.quantile_regression import QuantReg
from .regression.mixed_linear_model import MixedLM
from .genmod import api as genmod
from .genmod.api import GLM, GEE, OrdinalGEE, NominalGEE, families, cov_struct
from . import robust
from .robust.robust_linear_model import RLM
from .discrete.discrete_model import (Poisson, Logit, Probit,
                                      MNLogit, NegativeBinomial)
from .tsa import api as tsa
from .duration.hazard_regression import PHReg
from .nonparametric import api as nonparametric
from . import distributions
from .__init__ import test
from . import version
from .info import __doc__
from .graphics.gofplots import qqplot, qqplot_2samples, qqline, ProbPlot
from .graphics import api as graphics
from .stats import api as stats
from .emplike import api as emplike

from .formula import api as formula

from .iolib.smpickle import load_pickle as load

from .tools.print_version import show_versions
from .tools.web import webdoc

import os

chmpath = os.path.join(os.path.dirname(__file__), 'statsmodelsdoc.chm')
if os.path.exists(chmpath):
    def open_help(chmpath=chmpath):
        from subprocess import Popen

        p = Popen(chmpath, shell=True)

del os
del chmpath