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## installing_dlib_on_macos_for_python.md

      
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                ageitgey
                / installing_dlib_on_macos_for_python.md
            
            
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    How to install dlib v19.9 or newer (w/ python bindings) from github on macOS and Ubuntu

Pre-reqs:

Have Python 3 installed. On macOS, this could be installed from homebrew or even via standard
Python 3.6 downloaded installer from https://www.python.org/download. On Linux, just use your
package manager.
On macOS:

Install XCode from the Mac App Store (or install the XCode command line utils).
Have homebrew installed


On Linux:


## letor_metrics.py
# (C) Mathieu Blondel, November 2013
# License: BSD 3 clause

import numpy as np


def ranking_precision_score(y_true, y_score, k=10):
    """Precision at rank k

    Parameters
	# (C) Mathieu Blondel, November 2013
	# License: BSD 3 clause

	import numpy as np


	def ranking_precision_score(y_true, y_score, k=10):
	"""Precision at rank k

	Parameters