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Python Data Analysis

You're reading from   Python Data Analysis Learn how to apply powerful data analysis techniques with popular open source Python modules

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Product type Paperback
Published in Oct 2014
Publisher
ISBN-13 9781783553358
Length 348 pages
Edition 1st Edition
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Author (1):
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Ivan Idris Ivan Idris
Author Profile Icon Ivan Idris
Ivan Idris
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Toc

Table of Contents (17) Chapters Close

Preface 1. Getting Started with Python Libraries FREE CHAPTER 2. NumPy Arrays 3. Statistics and Linear Algebra 4. pandas Primer 5. Retrieving, Processing, and Storing Data 6. Data Visualization 7. Signal Processing and Time Series 8. Working with Databases 9. Analyzing Textual Data and Social Media 10. Predictive Analytics and Machine Learning 11. Environments Outside the Python Ecosystem and Cloud Computing 12. Performance Tuning, Profiling, and Concurrency A. Key Concepts
B. Useful Functions C. Online Resources
Index

SciPy

This section shows useful SciPy functions:

scipy.fftpack

  • fftshift(x, axes=None): This function shifts the zero-frequency component to the center of the spectrum
  • rfft(x, n=None, axis=-1, overwrite_x=0): This function performs a discrete Fourier transform of an array containing real values

scipy.signal

  • detrend(data, axis=-1, type='linear', bp=0): This function removes the linear trend or a constant from the data
  • medfilt(volume, kernel_size=None): This function applies a median filter on an array
  • wiener(im, mysize=None, noise=None): This function applies a Wiener filter on an array

scipy.stats

  • anderson(x, dist='norm'): This function performs the Anderson-Darling test for data coming from a specified distribution
  • kruskal(*args): This function performs the Kruskal-Wallis H test for data
  • normaltest(a, axis=0): This function tests whether data complies to the normal distribution
  • scoreatpercentile(a, per, limit=(), interpolation_method='fraction'): This function computes...
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