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Zindi User Behaviour Birthday Challenge

Helping Africa
$3 000 USD
Completed (almost 5 years ago)
Prediction
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Starti
24 Sep 21
Closei
23 Jan 22
Reveali
23 Jan 22
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tarickMorty
What is the secret to 0.90 ?
8 Jan 2022, 16:21 · 6

Having a hard time breaching that 0.90.

CV LB both now stuck at 0.89 :(

Discussion 6 answers
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travis
8 Jan 2022, 23:00 (edited 13 minutes later)

Wow, trying all CV methods, I still can not get consistent CV/LB score....

How did you made it to 0.89? Only by FE and a realiable CV method?

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tarickMorty
9 Jan 2022, 03:55replied to travis

Yes lot of Engineered features and making sure to avoid all sorts of Target leakage.

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21dbAmbassador
Zindi Ambassador
9 Jan 2022, 13:10

Training 10 kfold(shuffle=True) with separate tuned LGBM and sampled dataset for each month that needs predicting is what got me over 0.9.

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tarickMorty
9 Jan 2022, 14:09replied to 21db

Thanks Daniel, I will also test it out with my engineered features :). Till now, I have been training with 5 folds only.

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tarickMorty
9 Jan 2022, 17:46replied to tarickMorty

Update: Disappointed with the shuffled 10fold performance, didn't help me any boost

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21dbAmbassador
Zindi Ambassador
9 Jan 2022, 21:11replied to tarickMorty

Ahh, but are you using one model per target? There really is a ton of things we can try in this comp bc of how different the users are and how much legroom they give us with the datasets. As a data science newbie, I found this to be a pretty awesome comp to explore and keep experimenting. Still 14 days to go!

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