John Smethurst'' s Page


The Jupyter notebook at this link includes a tutorial that discusses how to utilize the lxml plan and xpath expressions to extract information from a webpage.

The tutorial includes 2 sections:

  • A basic example to demonstrate the process of downloading a webpage, extracting data with lxml and xpath and analysing it with pandas
  • A comprehensive‚Ķ


I’ve recently invested a little bit of time getting to grips with Markov Chains. I’ve produced a jupyter note pad which tries to provide an “instinct” into the basic principles; an introduction of a few of the maths included and a concept to utilize “social movement” probability density works with Markov Chains to approximate long term “social class” percentages.

This …


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