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python Programming Glossary: numpy.random

Generating Discrete random variables with various weights using SciPy or NumPy

http://stackoverflow.com/questions/11373192/generating-discrete-random-variables-with-various-weights-using-scipy-or-numpy

accumulate and random_sample . import numpy as np from numpy.random import random_sample def weighted_values values probabilities..

How to create a list of random integer vector whose sum is x

http://stackoverflow.com/questions/11380491/how-to-create-a-list-of-random-integer-vector-whose-sum-is-x

for i in RandomVector return RandomVector from numpy.random import multinomial import math def RandIntVec ListSize ListSumValue.. be between 0 and n. Then follow the recipe here . Or use numpy.random.multinomial as @Dougal helpfully suggested . share improve..

Understanding pandas dataframe indexing

http://stackoverflow.com/questions/14192741/understanding-pandas-dataframe-indexing

1 1 Why Reproduction In 1 import pandas as pd In 2 from numpy.random import randn In 4 df pd.DataFrame randn 6 3 columns list 'ABC'..

Prepend a level to a pandas MultiIndex

http://stackoverflow.com/questions/14744068/prepend-a-level-to-a-pandas-multiindex

some grouping import numpy as np import pandas as p from numpy.random import randn df p.DataFrame 'A' 'a1' 'a1' 'a2' 'a3' 'B' 'b1'..

Generate a heatmap in MatPlotLib using a scatter data set

http://stackoverflow.com/questions/2369492/generate-a-heatmap-in-matplotlib-using-a-scatter-data-set

use numpy's histogram2d function import numpy as np import numpy.random import matplotlib.pyplot as plt # Generate some test data x..

Relationship between scipy and numpy

http://stackoverflow.com/questions/6200910/relationship-between-scipy-and-numpy

_num from numpy import oldnumeric from numpy import from numpy.random import rand randn from numpy.fft import fft ifft from numpy.lib.scimath..

python matplotlib colorbar setting tick formator/locator changes tick labels

http://stackoverflow.com/questions/6485000/python-matplotlib-colorbar-setting-tick-formator-locator-changes-tick-labels

examples pylab_examples griddata_demo.html from numpy.random import uniform seed from matplotlib.mlab import griddata import.. examples pylab_examples griddata_demo.html from numpy.random import uniform seed from matplotlib.mlab import griddata import..

Python Multiple Linear Regression using OLS code with specific data?

http://stackoverflow.com/questions/7458391/python-multiple-linear-regression-using-ols-code-with-specific-data

det from numpy import log pi sqrt square diagonal from numpy.random import randn seed import time class ols Author Vincent Nijs..

Possible to make labels appear when hovering over a point in matplotlib?

http://stackoverflow.com/questions/7908636/possible-to-make-labels-appear-when-hovering-over-a-point-in-matplotlib

import figure show import numpy as npy from numpy.random import rand if 1 # picking on a scatter plot matplotlib.collections.RegularPolyCollection..

How to synthesize sounds?

http://stackoverflow.com/questions/790960/how-to-synthesize-sounds

import numpy from numpy.fft import fft ifft from numpy.random import random_sample from alsaaudio import PCM PCM_NONBLOCK..

Matplotlib overlapping annotations

http://stackoverflow.com/questions/8850142/matplotlib-overlapping-annotations

import numpy as np import matplotlib.pyplot as plt from numpy.random import def get_text_positions x_data y_data txt_width txt_height..