Index

A

• AAPL (Apple Inc.) / How to do it...
• AffinityPropagation class / How to do it...
• Anderson-Darling test
  • URL / Performing a normality test with scikits-statsmodels
• append function / How it works...
• Apple Developer Tools (Xcode)
  • installing / How to do it...
• arange function / How to do it..., Summing Fibonacci numbers, How to do it..., How it works...
• array interface
  • using / Using the array interface, How to do it..., How it works...
• asarray function / How to do it...
• assert_almost_equal function / How it works...
• assert_approx_equal function / How it works...
• assert_array_almost_equal function / How it works...
• assert_array_equal function / How it works...
• assert_array_less function / How it works...
• assert_raises function / How it works...
• assert_string_equal function / How it works...
• assert_warns function / How it works...
• astype function / Summing Fibonacci numbers, How to do it..., How it works...
• audio filter
  • designing / Designing an audio filter, How to do it...
• audio fragments
  • repeating / Repeating audio fragments, How to do it..., How it works...
• axis function / How it works...

B

• BDD
  • about / Introduction
  • way, used for testing / Testing the BDD way, How to do it…, How it works...
  • used, for testing / How to do it…
  • tests, setting up / How to do it…
  • steps, defining / How to do it…
• binomial proportion confidence
  • wikipedia, URL / Using Cython with NumPy
• boolean indexing
  • about / Indexing with booleans, How to do it..., How it works...
• broadcasting arrays
  • about / Broadcasting arrays, How to do it...
• Browse button / How to do it...
• bt command / How to do it...
• buffer interface
  • about / Using the buffer protocol
• buffer protocol
  • about / Using the buffer protocol, How to do it..., How it works...
• Butterworth bandpass filter
  • wikipedia, URL / How to do it...

C

• Canny filter function / How to do it...
• cdef keyword / How it works...
• ceil function / How to do it..., How it works...
• C functions
  • calling / Calling C functions, How to do it..., How it works...
  • .pyx file, writing / How to do it...
  • log returns, plotting / How to do it...
• chararray object
  • about / Performing string operations with chararray
  • string operations. performing / Performing string operations with chararray, How it works...
• Choose function / How it works...
• cimport / How it works...
• clip function / How it works...
• clustering
  • about / Clustering Dow Jones stocks with scikits-learn
• code
  • profiling, with cProfile extension / Profiling code with the cProfile extension, How to do it...
  • testing, docstrings used / Testing code with docstrings, How to do it..., How it works...
  • testing, mocks used / Testing code with mocks, How to do it...
• Command Line Interface (CLI) / How to do it...
• compress function / How to do it...
• concatenate function / How it works...
• corner detection
  • wikipedia, URL / Detecting corners
  • about / Detecting corners, How to do it...
• cProfile extension
  • code, profiling with / Profiling code with the cProfile extension, How to do it...
• create a new environment button / How to do it...
• cumprod function / How to do it...
• cumtime column / How it works...
• Cython
  • about / Introduction
  • installing / Installing Cython
  • installing, ways for / How to do it...
  • installing, from tarball / How to do it...
  • installing, with setup tools / How to do it...
  • installing, with pip / How to do it...
  • installing, with Windows installers / How to do it...
  • using, with NumPy / Using Cython with NumPy, How to do it..., How it works...
  • factorials, approximating / Approximating factorials with Cython, How to do it..., How it works...
• Cython approximation
  • of e / How to do it...
• Cython code
  • profiling / Profiling Cython code, How to do it..., How it works...

D

• daily log returns
  • wikipedia, URL / Trading periodically on dips
• data
  • exchanging, with MATLAB / Exchanging data with MATLAB and Octave, How to do it...
  • exchanging, with Octave / Exchanging data with MATLAB and Octave, How to do it...
  • loading, as pandas objects, from statsmodels / Loading data as pandas objects from statsmodels, How to do it..., How it works...
• DataFrame / How to do it...
• DataFrame object / How to do it...
• DataFrame plot method / How to do it...
• Dataset class / How it works...
• Dataset object / How to do it...
• DatetimeIndex method / How to do it...
• d command / How to do it...
• Debian
  • PIL, installing / How to do it...
• debugging
  • about / Introduction
• diff function / How it works..., How to do it..., How it works...
• dips
  • periodically, training on / Trading periodically on dips, How to do it..., How it works...
• distutils setup.py script / How to do it...
• docstrings
  • code, testing with / Testing code with docstrings, How to do it..., How it works...
• dot function / How it works...
• Dow Jones stocks
  • clustering, with scikits-learn project / Clustering Dow Jones stocks with scikits-learn, How to do it..., How it works...
• do_work method / How to do it...

E

• easy_install
  • IPython, installing with / How to do it...
  • used, for installing SciPy / How to do it...
  • used, for installing PIL / How to do it...
  • used, for installing RPy2 / How to do it...
  • used, for installing Pyflakes / How to do it...
  • used, for installing scikits-learn project / How to do it...
• edge detection
  • about / Detecting edges, How to do it...
  • wikipedia, URL / Detecting edges
• eigenvector
  • URL / The steady state vector determination
• eig function / How to do it..., How it works...
• endog attribute / How to do it..., How it works...
• Euclid's formula
  • about / How to do it...
• Euler constant
  • URL / Profiling Cython code
• exog attribute / How it works...
• extreme values
  • ignoring / Ignoring negative and extreme values, How to do it..., How it works...

F

• factorial method / How to do it...
• factorials approximation
  • with Cython / Approximating factorials with Cython, How to do it...
  • Cython code, writing / How to do it...
  • code, building / How to do it...
  • error, plotting / How to do it...
• fancy indexing
  • about / Fancy indexing, How to do it..., How it works...
• Fermat's factorization method
  • Wikipedia, URL / Finding prime factors
• Fibonacci series
  • about / Summing Fibonacci numbers
  • wikipedia, URL / Summing Fibonacci numbers
• fit method / How to do it...

G

• GAE
  • about / Installing Google App Engine
  • installing, steps for / How to do it...
  • downloading / How to do it...
  • development environment / How to do it...
• Gaussian filter
  • wikipedia, URL / Blurring images
• gaussian_filter function / How it works...
• generate function / How to do it...
• get_include function / How it works...
• golden ratio
  • wikipedia, URL / How to do it...
• Google cloud
  • NumPy code, deploying / Deploying NumPy code in the Google cloud, How to do it..., How it works...

H

• %hist command / How to do it...
• harris function / How to do it...
• hello.pyx code
  • writing / How to do it...
• Hello World program
  • building / Building a Hello World program
  • building, steps for / How to do it...
  • hello.pyx code, writing / How to do it...
  • distutils setup.py script / How to do it...
• help command / How to do it...
• histogram function / How it works...
• Hits column / How it works...
• how parameter / How it works...

I

• iirdesign function / How to do it...
• images
  • resizing / Resizing images, How to do it..., How it works...
  • loading, into memory map / Loading images into memory map, How to do it..., How it works...
  • merging / Combining images, How to do it..., How it works...
  • blurring / Blurring images, How to do it..., How it works...
• importr function / How to do it...
• indexing
  • fancy indexing / Fancy indexing, How to do it..., How it works...
  • with list of locations / Indexing with a list of locations, How to do it...
  • with booleans / Indexing with booleans, How to do it..., How it works...
• inline figures
  • web notebook, running with / How to do it...
• interoperability
  • about / Introduction
• IPython
  • about / Introduction
  • URL / Introduction
  • components / Introduction
  • in cloud URL / Introduction
  • installing, steps for / Installing IPython
  • installing, on Windows / How to do it...
  • installing, on Mac OS X / How to do it...
  • installing, on Linux / How to do it...
  • installing, with easy_install / How to do it...
  • installing, with pip / How to do it...
  • installing, from source / How to do it...
  • using, as shell / Using IPython as a shell, How to do it...
  • profiling with / Profiling with IPython, How it works...
  • debugging with / Debugging with IPython, How to do it..., How to do it...
• IPython, installing
  • on Windows / How to do it...
  • on Mac OS X / How to do it...
  • on Linux / How to do it...
  • with pip / How to do it...
  • with easy_install / How to do it...
  • from source / How to do it...
• IPython shell
  • pylab switch / How to do it...
  • using, ways for / How to do it...
  • session, saving / How to do it...
  • system shell command, executing / How to do it...
  • history, displaying / How to do it...

J

• Java Native Interface (JNI) / How it works...
• JPype
  • about / Installing JPype
  • installing, steps for / How to do it...
  • URL, for downloading / How to do it...
  • building / How to do it...
  • NumPy array, sending to / Sending a NumPy array to JPype, How to do it..., How it works...
• Jython
  • about / Installing JPype

L

• l command / How to do it...
• lena function / How to do it...
• lena image
  • flipping / Flipping Lena, How to do it...
• linalg module / How to do it...
• Line # column / How it works...
• Line Contents column / How it works...
• line_profiler
  • about / Installing line_profiler
  • installing, with easy_install / How to do it...
  • development version, installing / How to do it...
  • code, profiling with / Profiling code with line_profiler, How to do it..., How it works...
• linspace function / How it works...
• Linux
  • IPython, installing / How to do it...
  • Matplotlib, installing / How to do it...
  • Scipy, installing / How to do it...
  • Pyflakes, installing / How to do it...
• list command / How to do it..., How to do it...
• load function / How it works...
• load_pandas method / How it works...
• locations list
  • used, for indexing / Indexing with a list of locations, How to do it...
• log function / Summing Fibonacci numbers, How it works..., Calling C functions, How it works...

M

• Mac
  • Matplotlib, installing / How to do it...
• Mac OS X
  • IPython, installing / How to do it...
  • Scipy, installing / How to do it...
• MainHandler class / How to do it...
• Mandelbrot fractal
  • wikipedia, URL / Combining images
• manual pages
  • reading / Reading manual pages, How it works...
• Markov chain
  • about / The steady state vector determination
• masked array
  • creating / Creating a masked array, How it works...
  • creating, steps for / How to do it...
• MaskedArray function / Creating a masked array
• MATLAB
  • data, exchanging with / Exchanging data with MATLAB and Octave, How to do it...
• Matplotlib
  • installing / Installing Matplotlib
• Matplotlib, installing
  • on Windows / How to do it...
  • on Linux / How to do it...
  • from source / How to do it...
  • on Mac / How to do it...
• memmap function / How to do it..., How it works...
• memory map
  • images, loading into / Loading images into memory map, How to do it..., How it works...
  • loading into / How to do it...
• merge sort algorithm / Profiling with timeit
• meshgrid function / How to do it..., How it works..., How it works...
• message type
  • [R] / How it works...
  • [C] / How it works...
  • [W] / How it works...
  • [E] / How it works...
  • [F] / How it works...
• mocks
  • used, for testing code / Testing code with mocks, How to do it...
  • installing / How to do it...
  • creating / How to do it...
  • asset behavior / How to do it...
• modf function / How to do it..., How it works...
• mtcars dataset / How to do it...

N

• ncalls column / How it works...
• ndarray class / Stride tricks for Sudoku
• ndarray module / How to do it...
• negative values
  • ignoring / Ignoring negative and extreme values, How to do it..., How it works...
• notebook server
  • about / Running a web notebook
  • configuring, steps for / Configuring a notebook server, How to do it..., How it works...
  • password, generating / How to do it...
  • SSL certificate, creating / How to do it...
  • server profile, creating / How to do it...
  • profile configuration file, editing / How to do it...
  • starting / How to do it...
• NumPy
  • about / Introduction
  • Cython, using with / Using Cython with NumPy, How to do it..., How it works...
  • .pyx file, writing / How to do it...
  • setup.py file, writing / How to do it...
  • Cython module, using / How to do it...
  • log function / Calling C functions
  • diff function / How to do it...
• numpy.ma module / Creating a masked array
• numpy.random module / How it works...
• numpy.recarray module / How it works...
• numpy.testing.assert_equal function / How it works...
• NumPy approximation
  • of e / How to do it...
• NumPy array
  • sending, to Jype / Sending a NumPy array to JPype, How it works...
• NumPy code
  • deploying, in Google cloud / Deploying NumPy code in the Google cloud, How to do it..., How it works...
  • running, in Python Anywhere web console / Running NumPy code in a Python Anywhere web console, How to do it..., How it works...

O

• O(nlogn)
  • about / Profiling with timeit
• Octave
  • data, exchanging with / Exchanging data with MATLAB and Octave, How to do it...
  • pointers, for installing / Getting ready
• outer function / How to do it..., How it works..., How to do it...
• outer method / How it works...

P

• .pyx file / Building a Hello World program
  • writing / How to do it..., How to do it...
• @profile decorator / How it works...
• palindromic numbers
  • about / Finding palindromic numbers, How it works...
• Pandas
  • about / Installing Pandas
  • installing / How to do it...
  • stock returns correlation, estimating / Estimating stock returns correlation with Pandas
  • time series data, resampling / Resampling time series data, How to do it..., How it works...
• pandas.DataFrame.corr method / How it works...
• pandas.DataFrame.plot method / How it works...
• pandas.DataFrame method / How it works...
• Pareto principle
  • URL / Discovering a power law
• patsy
  • installing / Getting ready
• percall column / How it works...
• Per Hit column / How it works...
• PiCloud
  • about / Setting up PiCloud, How to do it...
  • URL / Setting up PiCloud
  • working / How it works...
• PIL
  • installing, on Windows / How to do it...
  • installing, on Debian / How to do it...
  • installing, on Ubuntu / How to do it...
  • installing, with easy_install / How to do it...
  • installing, with rip / How to do it...
  • about / Using the buffer protocol
• pip
  • IPython, installing with / How to do it...
  • used, for installing SciPy / How to do it...
  • used, for installing PIL / How to do it...
  • used, for installing RPy2 / How to do it...
  • used, for installing Pyflakes / How to do it...
  • used, for installing Cython / How to do it...
• polar function / How it works...
• polar rose
  • wikipedia, URL / Blurring images
• polyfit function / How it works..., How it works...
• polyval function / How it works...
• power law
  • discovering / Discovering a power law, How to do it...
• prime factors
  • Wikipedia, URL / Finding prime factors
  • finding / How to do it...
• profiler output
  • ncalls column / How it works...
  • tottime column / How it works...
  • percall column / How it works...
  • cumtime column / How it works...
• profiling
  • with IPython / Profiling with IPython
  • snippet, timing / How to do it...
  • script, profiling / How to do it...
• pudb
  • debugging with / Debugging with pudb, How to do it...
  • installing / How to do it...
• py26-scikits-learn / Installing scikits-learn
• py27-scikits-learn / Installing scikits-learn
• Pychecker
  • static analysis, performing / Performing static analysis with Pychecker
• Pyflakes
  • about / Installing Pyflakes
  • installing, with pip / How to do it...
  • installing, with easy_install / How to do it...
  • installing, on Linux / How to do it...
  • static analysis, performing / Performing static analysis with Pyflakes, How it works...
• pylab mode
  • web notebook, running / How to do it...
• pylab switch / How to do it...
• Pylint
  • about / Analyzing code with Pylint
  • installing, from source distribution / Getting ready
  • working / How it works...
• Pythagorean triple
  • wikipedia, URL / Finding Pythagorean triples
• Pythagorean triples
  • finding / Finding Pythagorean triples, How it works...
• python-pandas project / How to do it...
• python-sklearn / Installing scikits-learn
• Python Anywhere web console
  • NumPy code, running / Running NumPy code in a Python Anywhere web console, How to do it..., How it works...
• Python Image Library (PIL) / Introduction

Q

• quicksort algorithm / Profiling with timeit

R

• R
  • interfacing with / Interfacing with R, How to do it...
• rand function / How it works...
• randint function / How it works..., How it works...
• randn function / How it works...
• random
  • trading, simulating at / Simulating trading at random, How to do it..., How it works...
• random_integers function / How it works..., How it works..., How it works...
• ravel function / How to do it..., How it works...
• recarray
  • score tables, creating with / Creating a scores table with recarray, How to do it..., How it works...
• recarray class / Creating a scores table with recarray
• repeat function / How it works...
• resample method / How to do it...
• RPy2
  • installing / Installing RPy2
  • installing, steps for / How to do it...
  • installing, with pip / How to do it...
  • installing, with easy_install / How to do it...
  • installing, from source / How to do it...

S

• savemat function / Exchanging data with MATLAB and Octave
• Scikits
  • about / Introduction
• Scikits, projects
  • scikits-learn / Introduction
  • scikits-statsmodels / Introduction
  • scikits-image / Introduction
  • pandas / Introduction
• scikits-image
  • about / Installing scikits-image
• scikits-learn project
  • about / Installing scikits-learn
  • installing, with easy_install / How to do it...
  • installing, from source / How to do it...
  • example dataset, loading / Loading an example dataset
  • Dow Jones stocks, clustering / Clustering Dow Jones stocks with scikits-learn, How to do it..., How it works...
• scikits-statsmodels package
  • about / Installing scikits-statsmodels
  • binaries downloading, URL / How to do it...
  • source downloading, URL / How to do it...
  • normality test, performing / Performing a normality test with scikits-statsmodels, How it works...
• SciPy
  • about / Installing SciPy
  • installing, from source / How to do it...
  • installing, on Linux / How to do it...
  • installing, on Mac OS X / How to do it...
  • installing, easy_install used / How to do it...
  • installing, rip used / How to do it...
  • installing, on Windows / How to do it...
  • installation, checking / How to do it...
• scipy.signal.iirdesign function / How it works...
• Scipy.signal.lfilter function / How it works...
• score tables
  • creating, with recarray / Creating a scores table with recarray, How to do it..., How it works...
• semilogx function / How it works...
• server profile
  • creating / How to do it...
• setup.py file
  • writing / How to do it...
• setup tools
  • installing, on Windows / How to do it...
  • used, for installing Cython / How to do it...
• shell
  • IPython, using as / Using IPython as a shell
• Sieve of Erasthothenes
  • integers, sieving with / Sieving integers with the Sieve of Erasthothenes
• Sieve of Eratosthenes
  • URL / Sieving integers with the Sieve of Erasthothenes
• sign function / How it works...
• sinc function
  • plotting / How to do it...
• sklearn.cluster.AffinityPropagation() function / How it works...
• sklearn.cluster.AffinityPropagation.fit function / How it works...
• Sobel filter
  • edge detection with / Edge detection with the Sobel filter, How to do it..., How it works...
• Sobel operator
  • URL / Edge detection with the Sobel filter
• sort method / How to do it...
• sounds
  • generating / Generating sounds, How to do it...
• splitlines function / How to do it...
• sqrt function / Summing Fibonacci numbers, How to do it..., How it works...
• SSL certificate
  • creating / How to do it...
• standard deviation of log returns
  • wikipedia, URL / Creating a scores table with recarray
• static analysis
  • performing, with Pyflakes / Performing static analysis with Pyflakes, How to do it..., How it works..., Performing static analysis with Pychecker
• statsmodels
  • data, loading as pandas objects / Loading data as pandas objects from statsmodels, How to do it..., How it works...
• steady state
  • URL / The steady state vector determination
  • about / How to do it...
• stirling approximation method
  • URL / Approximating factorials with Cython
• stochastic matrix
  • URL / The steady state vector determination
• stride tricks
  • for Sudoku / Stride tricks for Sudoku, How to do it..., How it works...
• string operations
  • performing, with chararray object / Performing string operations with chararray, How it works...
  • performing, with chararray / Performing string operations with chararray
• subplot function / How to do it...
• Sudoku
  • stride tricks for / Stride tricks for Sudoku, How to do it..., How it works...
  • wikipedia, URL / Stride tricks for Sudoku
• sum function / Summing Fibonacci numbers, How it works..., How it works...
• SymPy profile
  • exploring / Exploring the SymPy profile
  • installing, easy_install used / Getting ready, How to do it...
  • installing, pip used / Getting ready, How to do it...

T

• % Time column / How it works...
• take function / How to do it..., How it works...
• tarball (.tar archive)
  • used, for installing Cython / How to do it...
• TDD
  • about / Writing unit tests
• TestCase class / How to do it...
• Time column / How it works...
• timeit
  • about / Profiling with timeit
  • arrays, creating to sort / How to do it...
  • measure time / How to do it...
  • measurement time arrays, building / How to do it...
  • nlogn, fitting to / How to do it...
  • random_integers function / How it works...
  • append function / How it works...
  • polyfit function / How it works...
  • polyval function / How it works...
  • semilogx function / How it works...
• time series data
  • resampling, with Pandas / Resampling time series data, How to do it..., How it works...
• tofile function / How to do it..., How it works...
• tottime column / How it works...
• trading
  • simulating, at random / Simulating trading at random, How to do it..., How it works...
• tuple / How to do it...

U

• Ubunty
  • PIL, installing / How to do it...
• u command / How to do it...
• unittest.assertEqual function / How it works...
• unittest.assertRaises function / How it works...
• unit tests
  • about / Writing unit tests
  • writing / How to do it...
  • implementing, standard unittest Python module used / How it works...
• universal function
  • about / Introduction
  • creating / Creating a universal function, How it works...
  • creating, steps for / How to do it...
• U state / How to do it...

V

• Vi (m) editor / Introduction
• views
  • creating / Creating views and copies, How to do it..., How it works...

W

• web notebook
  • running / Running a web notebook, How to do it...
  • features / Running a web notebook
  • running, in pylab mode / How to do it...
  • running, with inline figures / How to do it...
  • creating / How to do it...
  • array, creating / How to do it...
  • sinc function, plotting / How to do it...
  • exporting / Exporting a web notebook
  • exporting, print option used / How to do it...
  • downloading / How to do it...
  • saving / How to do it...
  • importing, steps for / Importing a web notebook, How to do it...
• web notebook, exporting
  • via print option / How to do it...
  • via download button / How to do it...
  • via save notebook option / How to do it...
• where function / How to do it..., How it works...
• Windows
  • setup tools, installing / How to do it...
  • Matplotlib, installing / How to do it...
  • SciPy, installing / How to do it...
  • PIL, installing / How to do it...
• Windows installers
  • used, for installing Cython / How to do it...

Z

• zeros function / How to do it..., How it works...