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I'm passionate about finding the insights in data, using techniques of statistics and machine learning to grow the business and integrating artificial intelligence solutions into the application.
I'm skilled at programming (SQL, Python...
Data & Analytics
End-to-end A/B testing process
- Design, data modeling, execution and statistical analysis.
- Work directly with business owners and IT to plan, execute, and analyze all A/B & multivariate tests.
- Develop and document testing processes and policies to further increase the quality and rigor.
- Provide analysis of each experiment to understand the impact on marketing campaigns or product roadmaps.Show More Show Less
SkillsData Science Python SQL A/B Testing
Database design and ETL development
- Analyse and collect unstructured data.
- Database design and data modeling
- Implement ETL and automate the integration process.
- Be responsible for the availability and the reliability of data needs of other departments
- Create and improve tools for data science and data analytics team
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SkillsJava (All Versions) Python Linux Big Data SQL Database Design Database Modeling Database Programming
ToolsEclipse Jupyter Notebook Github
- Write SQL and do the visualization to understand the user's behaviors and interests.
- Define a target metric to measure user engagement.
- Build a Machine Learning model to classify engaged and unengaged users.
- Setup and analyse A/B Testing to validate the model.Show More Show Less
ToolsAzure Python Jupyter Notebook Metabase
- Analyse the data and create new features
- Transform text data into Term Frequency - Inverse Document Frequency, select the best feature with f_classif and fit the transformed data to Bayesian algorithm
- Transform text data into Word Embedding, select the best feature with f_classif and fit the transformed data to Bayesian algorithm
- Word Embedding + Bayes improves 8?curacy from 86% (baseline) to 94% Meanwhile TF-IDF + Bayes improve 5?curacy from 86% to 91%
- Github: https://github.com/diem-ai/text-classification
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ToolsPython Jupyter Notebook