README.md

---
title: Chronological Predictive Modeler
emoji: 📈
colorFrom: red
colorTo: yellow
sdk: gradio
app_file: app.py
pinned: false
---

# Chronological Predictive Modeler

An interactive educational web application designed to help digital humanities and social science students understand quantitative time-series forecasting, trend models, and regression analysis.

### Features
1. **Interactive Forecasting models**: Run Linear Trend, Polynomial Trend, or Holt-Winters Exponential Smoothing.
2. **Dynamic Plotly Chart**: View historical actuals alongside forecasted periods complete with a shaded 95% confidence interval uncertainty envelope.
3. **Downloadable Forecasts**: Download a combined sheet of your historical data and projected trends for further analysis.
4. **Instant Evaluation Metrics**: Calculate baseline statistical properties and final projections in seconds.