Cleaning

Santander Product Recommendation

Can you pair products with people?

Costa Rican Household Poverty Level Prediction

Can you identify which households have the highest need for social welfare assistance?

NFL Big Data Bowl

How many yards will an NFL player gain after receiving a handoff?

Quora Question Pairs

Can you identify question pairs that have the same intent?

RSNA Intracranial Hemorrhage Detection

Identify acute intracranial hemorrhage and its subtypes

Two Sigma: Using News to Predict Stock Movements

Use news analytics to predict stock price performance

Movie Review Sentiment Analysis (Kernels Only)

Classify the sentiment of sentences from the Rotten Tomatoes dataset

Data Science for Good: CareerVillage.org

Match career advice questions with professionals in the field

Transfer Learning on Stack Exchange Tags

Predict tags from models trained on unrelated topics

Jigsaw Unintended Bias in Toxicity Classification

Detect toxicity across a diverse range of conversations

Humpback Whale Identification Challenge

Can you identify a whale by the picture of its fluke?

Sberbank Russian Housing Market

Can you predict realty price fluctuations in Russia’s volatile economy?

Quora Insincere Questions Classification

Detect toxic content to improve online conversations

ICDM 2015: Drawbridge Cross-Device Connections

Identify individual users across their digital devices

Denoising Dirty Documents

Remove noise from printed text

NFL 1st and Future - Analytics

Can you investigate the relationship between the playing surface and the injury and performance of NFL athletes?

New York City Taxi Fare Prediction

Can you predict a rider's taxi fare?

Zillow Prize: Zillow’s Home Value Prediction (Zestimate)

Can you improve the algorithm that changed the world of real estate?

Freesound General-Purpose Audio Tagging Challenge

Can you automatically recognize sounds from a wide range of real-world environments?

Airbnb New User Bookings

Where will a new guest book their first travel experience?

WSDM - KKBox's Music Recommendation Challenge

Can you build the best music recommendation system?

Data Science for Good: City of Los Angeles

Help the City of Los Angeles to structure and analyze its job descriptions