Services

I provide part-time freelance services in data analysis, statistics, research support, and static website development.

Skills and Tools

Languages: R, Python, SQL, LaTeX, Markdown, HTML/CSS, JavaScript (basic), Bash
Data and Machine Learning: pandas, NumPy, scikit-learn, TensorFlow/Keras, statsmodels, Prophet, XGBoost, tidyverse, forecast, caret
Visualization and Dashboards: Power BI, Tableau, Plotly (Python/R), ggplot2, Matplotlib
Web and Static Sites: Jekyll, Hugo, GitHub Pages, Netlify, Tailwind CSS, SEO fundamentals (meta/OG/sitemap)
Data Operations and Reproducibility: Git/GitHub, Jupyter, RMarkdown/Quarto, virtual environments (venv/conda), CSV/Excel/JSON
Analytics Stack: Excel (advanced), Google Sheets, Google Analytics

Static Website Development

  • Design and build static sites (Jekyll, Hugo, HTML/CSS/JS)
  • Deploy to GitHub Pages or Netlify with custom domains and HTTPS
  • Integrate lightweight CMS (Netlify CMS) for non-technical editing
  • Add SEO essentials (titles, meta tags, sitemaps, OpenGraph)
  • Implement analytics (Google Analytics or Plausible) and contact forms
  • Example sites: journals, research labs, personal portfolios, course pages, landing pages

Data Analysis and Visualization

  • Development of dashboards (Power BI, Tableau, Plotly Dash)
  • Exploratory data analysis with clear reports and charts
  • Business KPI tracking and automated reporting

Statistical Consulting

  • Hypothesis testing, t-tests, ANOVA, chi-square
  • Regression modeling and correlation analysis
  • Time series analysis (ARIMA, Holt-Winters, SARIMA)

Machine Learning Applications

  • Forecasting with LSTM, Prophet, and ARIMA
  • Classification with SVM, Random Forest, and XGBoost
  • Anomaly detection in time series and survey data

Research and Academic Support

  • Data cleaning and preprocessing for publication
  • Formatting results in LaTeX, APA tables, and figures
  • Statistical review of manuscripts and theses

Availability

I can work with clients in the evenings and weekends (Philippine time).
Rates are project-based or hourly depending on scope.
Contact me at samueljohnparr@gmail.com for collaboration inquiries.