ravising-h / The-Great-Data-Science-Challenge

A text analysis challenege on Hackerearth by Infosys where data was highly imbalanced.

The great Data Science Challenge.

It was a hackathon hosted by Hacker Rank for Infosys. Our task was to categorize the invoice according to Item Description.

Challenges

• Data was highly Imbalanced in some categories only 1 datapoint was known.
• How to prepare validation set as data was highly imbalanced.
• Text Analysis.

Solutions

• Implemented Oversampling and undersampling of data.
• Model was combined result of Random Forest and XgBoost Algorithm

First time using Git.

My Result

without sampling https://www.hackerearth.com/submission/27500271/