sigmoidal regression with scipy, numpy, python, etc

Question

I have two variables (x and y) that have a somewhat sigmoidal relationship with each other, and I need to find some sort of prediction equation that will enable me to predict th

Answer 1

For logistic regression in Python, the scikits-learn exposes high-performance fitting code:

http://scikit-learn.sourceforge.net/modules/linear_model.html#logistic-regression