La VanguardiaData Scientist
Aug. 2020 - Jun. 2021- Conducted advanced statistical analysis (ANOVA, regression models, factor analysis, PCA, clustering, etc.) to identify reader behaviour patterns and predict reader churn, resulting in a 15% increase in prediction accuracy.
- Improved click-through rates (CTRs) through A/B testing, resulting in a 6% increase in ads CTRs.
- Developed reproducible analyses and statistical models using SQL, R/Python/Excel/BigQuery, and utilized all Google Cloud Platform tools extensively (Google Analytics, Big Query, Google Optimize, etc.).
- Cleaned, managed, and wrangled large volumes of data, over 5M per day, to ensure accurate and reliable data analyses.