Convoys
Convoys is a simple library that fits a few statistical model useful for modeling time-lagged conversions. There is a lot more info if you head over to the documentation. You can also take a look at this blog post about Convoys.
Installation
The easiest way right now is to install the latest version from PyPI:
pip install convoys
More info
Convoys was built by Erik Bernhardsson and has the MIT license.