Data Analyst / Assisting Data Scientist
at A2Z IT Consulting Inc, Markham ON
September 2017 - November 2019
Improved predictive Model performance by 5%. Customer segmentation (RFM), Cohort Analysis and reporting. Dimensionality reduction, validating new features. Web Scraping for Sentiment analysis for business development. Exploratory analysis on a variety of datasets and reporting. Strategic Data manipulation and preprocessing for training. Identified a robust metric for class imbalance, 3% improvement. A/B testing to evaluate model performance coupled with hyperparameter tuning.