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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)

QnA System:

TensorFlow 2.0 Question Answering

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)