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3 results

  • 11 - Time Series

  • William W. Hsieh, University of British Columbia, Vancouver
  • Book:
    Introduction to Environmental Data Science
    Published online:
    23 March 2023
    Print publication:
    23 March 2023, pp 372-417

  • Summary

    Under time series analysis, one proceeds from Fourier analysis to the design of windows, then spectral analysis (e.g. computing the spectrum, the cross-spectrum between two time series, wavelets, etc.) and the filtering of frequency signals. The principal component analysis method can be turned into a spectral method known as singular spectrum analysis. Auto-regressive processes and Box-Jenkins models are also covered.

  • Challenges 133–138 - More Tkinter

  • from Part I - Learning Python
  • Nichola Lacey
  • Book:
    Python by Example
    Published online:
    28 May 2019
    Print publication:
    16 May 2019, pp 124-133

  • Summary

    This chapter improves on the skills learnt in the previous chapter. The reader discovers how to use icons, images and drop-down lists to make more complex graphical user interfaces they can use to complete the six challenges.

  • Challenges 124–132 - Tkinter GUI

  • from Part I - Learning Python
  • Nichola Lacey
  • Book:
    Python by Example
    Published online:
    28 May 2019
    Print publication:
    16 May 2019, pp 110-123

  • Summary

    Tkinter allows the reader to create a graphical user interface (GUI) that incorporates windows, buttons, text boxes and lists boxes. The nine challenges allow the reader to experiment with layouts they like to create a more user-friendly interface.