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 4 comments of Sam Lupton

CoxPHFitter attributes durations and event_observed reorder input indices

Thanks @CamDavidsonPilon and cheers for the library - it's a lifesaver in an underdeveloped area 👏

White-Box Cartoonization for Commercial Use

@SystemErrorWang hi, any news on this?

Running conditional_expected_number_of_purchases_up_to_time on ParetoNBD model throws a pandas NotImplementedError

Here's the .describe() of the dataset, in case you spot any patterns. Any help would be appreciated! Here are the relevant versions: pandas 1.3.0 scipy 1.7.0 lifetimes 0.11.3 ![image](https://user-images.githubusercontent.com/46453364/135498923-2edf9175-0fe7-45a1-af10-1f31fc927075.png)

Running conditional_expected_number_of_purchases_up_to_time on ParetoNBD model throws a pandas NotImplementedError

**Update:** fixed this in the end by passing in ndarrays rather than pandas Series (which is as simple as using, for instance, `f['frequency'].values` rather than `f['frequency']` in my code above)....