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hub / github.com/ddbourgin/numpy-ml / predict

Method predict

numpy_ml/linear_models/glm.py:187–212  ·  view source on GitHub ↗

r""" Use the trained model to generate predictions for the distribution means, :math:`\mu`, associated with the collection of data points in **X**. Parameters ---------- X : :py:class:`ndarray ` of shape `(Z, M)` A dataset c

(self, X)

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185 return self
186
187 def predict(self, X):
188 r"""
189 Use the trained model to generate predictions for the distribution
190 means, :math:`\mu`, associated with the collection of data points in
191 **X**.
192
193 Parameters
194 ----------
195 X : :py:class:`ndarray <numpy.ndarray>` of shape `(Z, M)`
196 A dataset consisting of `Z` new examples, each of dimension `M`.
197
198 Returns
199 -------
200 mu_pred : :py:class:`ndarray <numpy.ndarray>` of shape `(Z,)`
201 The model predictions for the expected value of the target
202 associated with each item in `X`.
203 """
204 assert self._is_fit, "Must call `fit` before generating predictions"
205 L = _GLM_LINKS[self.link]
206
207 # convert X to a design matrix if we're using an intercept
208 if self.fit_intercept:
209 X = np.c_[np.ones(X.shape[0]), X]
210
211 mu_pred = L["inv_link"](X @ self.beta)
212 return mu_pred.ravel()

Callers 1

test_glmFunction · 0.95

Calls

no outgoing calls

Tested by 1

test_glmFunction · 0.76