By pysol.org about PySol
This recipe draws a dendrogram (horizontal format used for evolutionary trees)
Makes mailing list management and smart auto responder management drop.
A class that carries out Principal Component Analysis (PCA).
A bipartite graph in a variation of Guido van Rossum's dictionary-of-lists forma
This code implements the O(n log n) Cooley-Tukey FFT algorithm as simply.