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Diffstat (limited to 'numpy/oldnumeric/rng_stats.py')
-rw-r--r-- | numpy/oldnumeric/rng_stats.py | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/numpy/oldnumeric/rng_stats.py b/numpy/oldnumeric/rng_stats.py deleted file mode 100644 index dd450343d..000000000 --- a/numpy/oldnumeric/rng_stats.py +++ /dev/null @@ -1,36 +0,0 @@ -from __future__ import division, absolute_import, print_function - -__all__ = ['average', 'histogram', 'standardDeviation', 'variance'] - -import numpy.oldnumeric as Numeric - -def average(data): - data = Numeric.array(data) - return Numeric.add.reduce(data)/len(data) - -def variance(data): - data = Numeric.array(data) - return Numeric.add.reduce((data-average(data, axis=0))**2)/(len(data)-1) - -def standardDeviation(data): - data = Numeric.array(data) - return Numeric.sqrt(variance(data)) - -def histogram(data, nbins, range = None): - data = Numeric.array(data, Numeric.Float) - if range is None: - min = Numeric.minimum.reduce(data) - max = Numeric.maximum.reduce(data) - else: - min, max = range - data = Numeric.repeat(data, - Numeric.logical_and(Numeric.less_equal(data, max), - Numeric.greater_equal(data, - min)), axis=0) - bin_width = (max-min)/nbins - data = Numeric.floor((data - min)/bin_width).astype(Numeric.Int) - histo = Numeric.add.reduce(Numeric.equal( - Numeric.arange(nbins)[:, Numeric.NewAxis], data), -1) - histo[-1] = histo[-1] + Numeric.add.reduce(Numeric.equal(nbins, data)) - bins = min + bin_width*(Numeric.arange(nbins)+0.5) - return Numeric.transpose(Numeric.array([bins, histo])) |