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Papagiannopoulos/README.md

Hi there 👋

I am Chris, a Data Scientist / Researcher.

About me

🧠 My background and experience focus on Machine Learning, Statistics and Programming and their application in industries such as Pharma, Public Health, Market and Business.
💻 I have >3 years of professional experience in building predictive models, automated data workflows, and delivering reports for decision-making.
🎓 Currently pursuing a PhD on Molecular Epidemiology investigating whether prevalent molecular dysfunctions linked to cancer incidence.

🛠️ Skills

  • Programing and scripting: Python, R, SQL, bash, Stata, C, HTML
  • Data manipulation: pandas, regex, numpy, tidyverse
  • Databases: MySQL, postgress, MongoDB, APIs & Web Scraping
  • Machine learning: scikit-learn, lightgbm, xgboost, caret, e1071
  • Deep learning: tensorflow, keras
  • Data visualization: Power BI, matplotlib, seaborn, ggplot, Rshiny, dash, plotly, excel
  • Version control system: Git, GitHub, GitLab

📫 How to reach me ⬇️⬇️

LinkedIn Google Scholar Kaggle Gmail

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  1. ecommerce-business-analytics ecommerce-business-analytics Public

    From data to decisions! Focused on market research, I analyzed customer behavior, product associations, and uncover hidden opportunities for business growth.

    Jupyter Notebook 2

  2. CoVid19-global-dashboard CoVid19-global-dashboard Public

    Interactive web application built with Streamlit providing Globe insights into the CoVid19 progression overtime

    Jupyter Notebook

  3. multi_step_adaptive_elastic_net_ML multi_step_adaptive_elastic_net_ML Public

    1st PhD scientific research: The machine learning development on how i associated highly collerated large scaled molecular data with numerous traits

    R 1 1

  4. house-price-investigation house-price-investigation Public

    Second most popular Kaggle competition (active) where i scored in the top 5% of Global rank.

    Jupyter Notebook

  5. Biodiversity_Map Biodiversity_Map Public

    Develop a Shiny app to visualize species observations and their frequencies on a map of Poland

    R

  6. Santander_Customer_Transaction_Prediction Santander_Customer_Transaction_Prediction Public

    Second most popular Kaggle competition (closed) where i scored in the top 8% of Global rank. Pending finalization!

    R 2