grafael

Contests

Rank Score Rating Date Event
241
39.13 ·
Feb. 28, 2025
 Backpack Prediction Challenge [beginner, tabular, mean squared error]
138
0.06 ·
Jan. 31, 2025
 Forecasting Sticker Sales [beginner, time series analysis, tabular, mean absolute percentage error]
1727
5.50 ·
March 22, 2024
 Optiver - Trading at the Close [finance, tabular, meancolumnwisemae]
1734
0.89 ·
Jan. 22, 2024
 LLM - Detect AI Generated Text [education, binary classification, primary and secondary schools, text generation]
1771
0.56 ·
March 15, 2022
 Feedback Prize - Evaluating Student Writing [text data, primary and secondary schools, nlp]
336
0.82 ·
Sept. 30, 2021
 Tabular Playground Series - Sep 2021 [tabular data, binary classification]
1820
3285.57 ·
Aug. 23, 2021
 Jane Street Market Prediction [finance, tabular data]
954
0.46 ·
Aug. 2, 2021
 CommonLit Readability Prize [text data, regression]
57
0.70 ·
Jan. 31, 2021
 Tabular Playground Series - Jan 2021 [tabular data, regression]
1651
0.05 ·
Aug. 19, 2020
 Global Wheat Detection [image data, plants]
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