Scipy

Scipy is a package for performing scientific calculations with Python.

It includes code for things like probability distributions, Jacobi functions, elliptic integrals, Fourier transforms, and linear regression.

Linear Regression

module: https://docs.scipy.org/doc/scipy-0.14.0/reference/generated/scipy.stats.linregress.html

cookbook: https://scipy.github.io/old-wiki/pages/Cookbook/LinearRegression

Eigenvectors

scipy.linalg: https://docs.scipy.org/doc/scipy-0.17.0/reference/generated/scipy.linalg.eig.html

differences between various eigenvector methods: http://stackoverflow.com/questions/11083660/python-eigenvectors-differences-among-numpy-linalg-scipy-linalg-and-scipy-spar

Fourier Transform

fft: https://docs.scipy.org/doc/scipy/reference/generated/scipy.fftpack.fft.html