Sam Lupton

icon indicating a website link https://medium.com/@samlupton

icon company @simplybusiness icon location Old Street, London icon location Data Scientist at Simply Business | Former award-winning musical director of ootboxford.com | Arsenal enjoyer

Results 3 issues of Sam Lupton

CoxPHFitter attributes durations and event_observed reorder input indices

2 comment

Shortly before presenting my model, I noticed that the CoxPHFitter() object has a nasty habit. When you use the attributes `event_observed` and `durations` (which one expects would be a regular...

bug
enhancement
next minor release 🤞

White-Box Cartoonization for Commercial Use

1 comment

Hello Xinrui Wang, We really like your model, wondered if it is possible to license the model for commercial purposes, as we can see currently we can't do this, or...

Running conditional_expected_number_of_purchases_up_to_time on ParetoNBD model throws a pandas NotImplementedError

3 comment

I tried this on several different standard transactional datasets, and all gave the same error, which seems to be due to pandas/scipy incompatibility. The traceback is below, but it's a...