NLP on QA Forum

Prediction of the best answers of the questions using a scraped QA forum data, including the texts.
*Since the data is too large (283MB) to upload on the git, there is only the codes.

Data Preparation

• Time data treatment
• Label encoding
• Embedding using Word2Vec
• Down / Upsampling for the umbalanced target variable

Modelling

• Xgboost: ROC-AUC 84%
• Neural Network (linear stack of layers): Accuracy 92%, MSE 0.08