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1. Kaggle

Regression

Elo Merchant Category Recommendation

• 5th Place Solution (Explanation)
• 7th Place Solution (Explanation)
• 10th Place Solution (Explanation)
• 11th Place Solution (Explanation)
• 19th Place Solution (Explanation)
• 21th Place Solution (Explanation)(code)

Classification

Santander Customer Transaction Prediction

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)(code)
• 5th Place Solution (Explanation)
• 7th Place Solution (Explanation)
• 9th Place Solution (Explanation)
• 10th Place Solution (Explanation)
• 29th Place Solution (Explanation)(code)

PetFinder.my Adoption Prediction

• 2nd Place Solution (Explanation)(code)
• 3rd Place Solution (Explanation & code)
• 6th Place Solution (Explanation & code)
• 8th Place Solution (Explanation & code)
• 10th Place Solution (Explanation & code)
• Place Solution (Explanation & code)

Santander Product Recommendation

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)(code)(Blog)
• 3rd Place Solution - R language (Explanation & code)
• 4th Place Solution (Explanation)
• 5th Place Solution (Explanation)(code)
• 8th Place Solution (Explanation)(code)
• 11th Place Solution (Explanation)(code)

Text Classification

Jigsaw Unintended Bias in Toxicity Classification

• 2nd Place Solution (Explanation)
• 3rd Place Solution (Explanation)
• 4th Place Solution (Explanation)(code)(Kaggle Kernel)
• 8th Place Solution (Explanation)(code)

Quora Insincere Questions Classification

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)
• 3rd Place Solution (Explanation)(code)
• 4th Place Solution (Explanation)(code)
• 7th Place Solution (Explanation)

Quora Question Pairs

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)
• 3rd Place Solution (Explanation)
• 7th Place Solution (Explanation)
• Some interesting solutions from the web (write-up)
• 24 Place Solution (Explanation)(code)

Toxic Comment Classification Challenge

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)
• 3rd Place Solution (Explanation)
• 27 Place Solution (Explanation)(code)
• Collection of winning solutions (write-up)

Document Classification & Data extraction

Tradeshift Text Classification

• 1st Place Solution (Explanation)(code)
• 28th Place Solution (Explanation & code)
• 71th Place Solution (code)
• Another Solution (code)

Time series analysis

Two Sigma: Using News to Predict Stock Movements

• 49th Place Solution (Explanation & code)
• 91th Place Solution (Explanation & code)
• 113th Place Solution (Explanation & code)
• 119th Place Solution(Explanation & code)
• Post-competition thoughts(write-up)

Web Traffic Time Series Forecasting

• 1st Place Solution (Explanation)(code)
• 2nd Place Solution (Explanation)(code)
• 3rd Place Solution (Explanation)
• 6th Place Solution (Explanation)(code)
• Tips from the winning solutions (write-up)
• General Approach (write-up)

Rossmann Store Sales

• 1st Place Solution (Explanation)
• 3rd Place Solution (Explanation)(code)

Recommendation System:

Santander Product Recommendation

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)(code)
• 3rd Place Solution (Explanation & code)
• 4th Place Solution (Explanation)

Coreference Resolution

Gendered Pronoun Resolution

• 1st Place Solution (Explanation)(code)
• 3rd Place Solution (Explanation)
• Place Solution (Explanation)(code)
• Place Solution (Explanation)(code)
• Top solutions (write-up)

Signal Processing

LANL Earthquake Prediction

• 1st Place Solution (Explanation)(code)
• 2nd Place Solution (Explanation)
• 3rd Place Solution (Explanation)
• 5th Place Solution (Explanation)
• Gold Medal Solutions (write-up)

Image Classification

Cdiscount’s Image Classification Challenge

• 1st Place Solution (Explanation)
• 5th Place Solution (Explanation)(Video Tutorial with Eng subtitles)
• 7th Place Solution (Explanation)
• 8th Place Solution (Explanation)
• 9th Place Solution (Explanation)

Right Whale Recognition

• 1st Place Solution (Explanation)(code)
• 2nd Place Solution (Explanation)(code)

Video Challenge

The 3rd YouTube-8M Video Understanding Challenge

• 5th Place Solution (Explanation)
• 6th Place Solution (Explanation)
• 7th Place Solution (Explanation)

Semantic Segmentation & Instance Segmentation

APTOS 2019 Blindness Detection

• 1st Place Solution (Explanation)
• 2nd Place Solution (Explanation)
• 4th Place Solution (Explanation)
• 5th Place Solution (Explanation)
• 7h Place Solution (Explanation)(code)
• 8th Place Solution (Explanation)(code)
• 🏅Gold Medal Solutions list 🏅

iMaterialist (Fashion) 2019 at FGVC6:

• 1st Place Solution (Explanation)(code)
• 2nd Place Solution(Explanation)
• 3rd Place Solution(Explanation)

TGS Salt Identification Challenge

• 1st Place Solution (Explanation)(code)
• 4th Place Solution (Explanation)(code)
• 9th Place Solution (Explanation)(code)

Airbus Ship Detection Challenge

• 1st Place Solution (Explanation)
• 6th Place Solution (Explanation)
• 8th Place Solution (Explanation)(code)
• 9th Place Solution (Explanation)
• Few lessons learned (4th place) (Explanation)

2018 Data Science Bowl (DSB2018)

• 1st Place Solution (Explanation)(code)
• 2nd Place Solution (Explanation & code)
• 3rd Place Solution (Explanation)(code)
• 4th Place Solution (Explanation)(code)

GAN

Generative Dog Images

• P1st lace Solution (Explanation)
• Place Solution (Explanation)(code)
• Place Solution (Explanation)(code)
• Place Solution (Explanation)(code)
• Place Solution (Explanation)(code)
• Gold Medal Solutions

2. DataHack by Analytics Vidya

Innoplexus Online Hiring Hackathon: Sentiment Analysis

• 14th Place Solution (code)
• 25th Place Solution (code)
• 27th Place Solution (code)
• 29th Place Solution (code)

Genpact Machine Learning Hackathon

• 13th Place Solution (code)
• 32th Place Solution (code)

Game of Deep Learning: Computer Vision Hackathon

• 1st Place Solution (code)
• 2nd Place Solution (code)
• 3rd Place Solution (code)
• 5th Place Solution (Explanation)(code)

Capillary Machine Learning Hackathon

• 4th Place Solution (code)
• 12th Place Solution (code)
• 13th Place Solution (code)

3. Machine Hack

Predicting The Costs Of Used Cars - Hackathon By Imarticus Learning

• 5th Place Solution (code)
• 11th Place Solution (Explanation & code)

Predict A Doctor's Consultation Fee Hackathon

• 3rd Place Solution (code)
• 8th Place Solution (Explanation & code)

Predict The Flight Ticket Price Hackathon

• 3rd Place Solution (code)
• 11th Place Solution (Explanation & code)

Predicting Restaurant Food Cost Hackathon

• 5th Place Solution (code)
• 7th Place Solution (code)

4. Driven Data

Competition
America's Next Top (Statistical) Model
Box-Plots for Education
Countable Care: Modeling Women's Health Care Decisions
From Fog Nets to Neural Nets
Keeping it Fresh: Predict Restaurant Inspections
Naive Bees Classifier
Senior Data Science: Safe Aging with SPHERE
Pri-matrix Factorization
Pover-T Tests: Predicting Poverty
Random Walk of the Penguins
N+1 Fish, N+2 Fish
Power Laws: Forecasting Energy Consumption
Power Laws: Anomaly Detection
Power Laws: Optimizing Demand-side Strategies
Power Laws: Cold Start Energy Forecasting
Sustainable Industry: Rinse Over Run

5. CrowdANALYTIX

Extraction of product attribute values

• 1st Place Solution (Explanation)

PKPD Modeling: Predict Exacerbation in patients with COPD

• 3rd Place Solution (Explanation)

Identifying Superheroes from product images

• 34th Place Solution (code)
• Another Solution: code
• Another Solution: code

6. Hacker Earth

Amazon ML Hiring Challenge

• Score: 73.4% Solution (Explanation & code)
• Score 66%: Solution (Explanation & code)