--- tags: gitcoin, Notes --- # Stewards Presentation (R9) --- ## EDA stats --- ## Semi Supervised Pipeline --- ![](https://i.imgur.com/jg7YJLG.png) --- ### Heuristic labels IP address cluster > 2 **AND** GitHub account creation date > '2021-03-09' --- ### Sensitivity vs Specificity ![](https://i.imgur.com/7NxyjMY.png) --- ### Sensitivity vs Specificity (1) ![](https://i.imgur.com/Pr1u5Rj.png) --- ### Sensitivity vs Specificity (2) ![](https://i.imgur.com/OUb5IFj.png) --- ## Heuristic EDA --- ### General stats Recent user share: 43.0% --- ### IP cluster ___ User count: 1785 User share: 16.1% ___ Contribution total: 24535 Contribution share: 14.5% ___ Amount total: 80415.05 Amount share: 4.5% ___ Recent user composition: 72.2% Recent user share: 27.0% ___ --- ### Wallet cluster ___ User count: 788 User share: 7.1% ___ Contribution total: 17847 Contribution share: 10.6% ___ Amount total: 690602.19 Amount share: 38.6% ___ Recent user composition: 26.3% Recent user share: 4.3% ___ --- ### Wallet **AND** IP cluster ___ User count: 127 User share: 1.1% ___ Contribution total: 2581 Contribution share: 1.5% ___ Amount total: 17417.29 Amount share: 1.0% ___ Recent user composition: 26.0% Recent user share: 0.7% ___ --- ## Model Results --- ### Model 1 (RF importance) ![](https://i.imgur.com/OiKCSxK.png) --- ### Model 1 (DT) ![](https://i.imgur.com/I4lXj9W.png) --- ### Model 2 (RF importance) ![](https://i.imgur.com/ZdcH4MT.png) --- ## Stats after flagging - R9 users: 11093 - Users created during R9: 43% --- ### Summary stats (1) Total Contributions (original): 195147 Total Contributions (modified): 195147 ___ Matched Contributions (original): 176662 Matched Contributions (modified): 160026 --- ### Summary stats (2) ___ Total Contributors (original): 12906 Total Contributors (modified): 11420 ___ Median Median USDT Amount (original): 1.66 Median Median USDT Amount (modified): 1.73 ___ Median Contrib Count per User (original): 7.00 Median Contrib Count per User (modified): 7.00 ___ Mean Count (original): 14.98 Mean Count (modified): 16.93 ___ --- ### Quadratic Funding stats Total Grant Funding (original): 500000.00 Total Grant Funding (modified): 500000.00 ___ Mean Grant Funding (USDT, original): 841.75 Mean Grant Funding (USDT, modified): 836.12 ___ Median Grant Funding (USDT, original): 1.16 Median Funding (USDT, modified): 1.14 ___ Grant count (original): 594 Grant count (modified): 598 --- Max payout (USDT): 533014 --- ![](https://i.imgur.com/ZAGQcEg.png)