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Computational Statistics with Python

Very rough drafts of IPython notebook based lecture notes for the MS Statistical Science course on Statistical Computing and Computation, to be taught in Spring 2015. The course will focus on the development of various algorithms for optimization and simulation, the workhorses of much of computational statistics. A variety of algorithms and data sets of gradually increasing complexity (1 dimension $\rightarrow$ many dimensions, fixed $\rightarrow$ adaptive, serial $\rightarrow$ parallel $\rightarrow$ massively parallel, small data $\rightarrow$ big data) will allow students to develop and practise the following skills:

  • Practices for reproducible analysis
  • Fundamentals of data management and munging
  • Use Python as a language for statistical computing
  • Use mathematical and statistical libraries effectively
  • Profile and optimize serial code
  • Effective use of different parallel programming paradigms

In particular, the focus in on algorithms for:

  • Optimization
    • Newton-Raphson (functional programming and vectorization)
    • Quadrature (adaptive methods)
    • Gradient descent (multivariable)
    • Solving GLMs (multivariable + interface to C/C++)
    • Expectation-maximization (multivariable + finite mixture models)
  • Simulation and resampling
    • Bootstrap (basics of parallel programming)
    • Map-reduce applications in statistics for big data
    • Monte Carlo simulations (more parallel programming)
    • MCMC (various samplers - GPU programming)

I believe that this is the first time a python based course will be offered in the Department, so it is really exciting. It also means a lot of new material needs to be developed, and I am borrowing freely from existing public domain IPython notebooks.

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