Ejemplo n.º 1
0
 def __init__(self, endog, exog, window=None, weights=None, min_nobs=None,
              missing='drop'):
     # Call Model.__init__ twice to use const detection in first pass
     # But to not drop in the second pass
     missing = string_like(missing, 'missing',
                           options=('drop', 'raise', 'skip'))
     temp_msng = 'drop' if missing != 'raise' else 'raise'
     Model.__init__(self, endog, exog, missing=temp_msng, hasconst=None)
     k_const = self.k_constant
     const_idx = self.data.const_idx
     Model.__init__(self, endog, exog, missing='none', hasconst=False)
     self.k_constant = k_const
     self.data.const_idx = const_idx
     self._y = array_like(endog, 'endog')
     nobs = self._y.shape[0]
     self._x = array_like(exog, 'endog', ndim=2, shape=(nobs, None))
     window = int_like(window, 'window', optional=True)
     weights = array_like(weights, 'weights', optional=True, shape=(nobs,))
     self._window = window if window is not None else self._y.shape[0]
     self._weighted = weights is not None
     self._weights = np.ones(nobs) if weights is None else weights
     w12 = np.sqrt(self._weights)
     self._wy = w12 * self._y
     self._wx = w12[:, None] * self._x
     self._is_nan = np.zeros_like(self._y, dtype=np.bool)
     self._has_nan = self._find_nans()
     self.const_idx = self.data.const_idx
     self._skip_missing = missing == 'skip'
     min_nobs = int_like(min_nobs, 'min_nobs', optional=True)
     self._min_nobs = min_nobs if min_nobs is not None else self._x.shape[1]
     if self._min_nobs < self._x.shape[1] or self._min_nobs > self._window:
         raise ValueError('min_nobs must be larger than the number of '
                          'regressors in the model and less than window')
    def __init__(
        self,
        endog,
        exog,
        window=None,
        *,
        weights=None,
        min_nobs=None,
        missing="drop",
        expanding=False
    ):
        # Call Model.__init__ twice to use const detection in first pass
        # But to not drop in the second pass
        missing = string_like(
            missing, "missing", options=("drop", "raise", "skip")
        )
        temp_msng = "drop" if missing != "raise" else "raise"
        Model.__init__(self, endog, exog, missing=temp_msng, hasconst=None)
        k_const = self.k_constant
        const_idx = self.data.const_idx
        Model.__init__(self, endog, exog, missing="none", hasconst=False)
        self.k_constant = k_const
        self.data.const_idx = const_idx
        self._y = array_like(endog, "endog")
        nobs = self._y.shape[0]
        self._x = array_like(exog, "endog", ndim=2, shape=(nobs, None))
        window = int_like(window, "window", optional=True)
        weights = array_like(weights, "weights", optional=True, shape=(nobs,))
        self._window = window if window is not None else self._y.shape[0]
        self._weighted = weights is not None
        self._weights = np.ones(nobs) if weights is None else weights
        w12 = np.sqrt(self._weights)
        self._wy = w12 * self._y
        self._wx = w12[:, None] * self._x

        min_nobs = int_like(min_nobs, "min_nobs", optional=True)
        self._min_nobs = min_nobs if min_nobs is not None else self._x.shape[1]
        if self._min_nobs < self._x.shape[1] or self._min_nobs > self._window:
            raise ValueError(
                "min_nobs must be larger than the number of "
                "regressors in the model and less than window"
            )

        self._expanding = expanding

        self._is_nan = np.zeros_like(self._y, dtype=bool)
        self._has_nan = self._find_nans()
        self.const_idx = self.data.const_idx
        self._skip_missing = missing == "skip"
Ejemplo n.º 3
0
 def _handle_data(self, endog, exog, missing, hasconst, **kwargs):
     return Model._handle_data(self, endog, exog, missing, hasconst,
                               **kwargs)