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import sys, os, termios, tty | |
pid, fd = os.forkpty() | |
term_info = termios.tcgetattr(sys.stdin.fileno()) | |
if pid < 0: | |
raise ValueError("Early exit: could not fork process") | |
elif pid == 0: | |
# .. child .. |
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""" | |
Implementation of pairwise ranking using scikit-learn LinearSVC | |
Reference: | |
"Large Margin Rank Boundaries for Ordinal Regression", R. Herbrich, | |
T. Graepel, K. Obermayer 1999 | |
"Learning to rank from medical imaging data." Pedregosa, Fabian, et al., | |
Machine Learning in Medical Imaging 2012. |
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/* | |
* pidgin | |
* | |
* Pidgin is the legal property of its developers, whose names are too numerous | |
* to list here. Please refer to the COPYRIGHT file distributed with this | |
* source distribution. | |
* | |
* This program is free software; you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License as published by | |
* the Free Software Foundation; either version 2 of the License, or |
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import numpy as np | |
from scipy import linalg, optimize | |
MAX_ITER = 100 | |
def group_lasso(X, y, alpha, groups, max_iter=MAX_ITER, rtol=1e-6, | |
verbose=False): | |
""" | |
Linear least-squares with l2/l1 regularization solver. |
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""" | |
Low rank approximation for the lena image | |
""" | |
import numpy as np | |
import scipy as sp | |
from scipy import linalg | |
import pylab as pl | |
X = sp.lena().astype(np.float) | |
pl.gray() |
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def _solve(A, b, solver, tol): | |
# helper method for ridge_regression, A is symmetric positive | |
if solver == 'auto': | |
if hasattr(A, 'todense'): | |
solver = 'sparse_cg' | |
else: | |
solver = 'dense_cholesky' | |
if solver == 'sparse_cg': |
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""" | |
usage : simple_client.py torrent_file | |
""" | |
#!/usr/bin/env python | |
# Copyright Arvid Norberg 2008. Use, modification and distribution is | |
# subject to the Boost Software License, Version 1.0. (See accompanying | |
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
# with modifications by Fabian Pedregosa <[email protected]> | |
# October 2011 |
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""" | |
Plot memory usage of a numeric computation using numpy and scipy | |
""" | |
"""Get process information""" | |
import time, sys, os | |
import linecache | |
if sys.platform.startswith('linux'): |
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cimport numpy as np | |
import numpy as np | |
np.import_array() | |
def chkfinite_double(np.ndarray X): | |
cdef int i, length | |
cdef np.PyArrayObject val | |
cdef np.flatiter iter |
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""" | |
Ridge coefficients as a function of the regularization parameter | |
---------------------------------------------------------------- | |
And highlight in dashed lines the optimal value by cross-validation. | |
Author: Fabian Pedregosa -- <[email protected]> | |
""" | |
print __doc__ |