Update README.md

README.md

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 title: LargestGroupWins
-emoji: 📚
+emoji: 🏆
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 sdk: docker
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 short_description: Repo on institutions and descriptive representation
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-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+Paper: ["Where Minorities are the Majority" by Gerring et al.](https://connorjerzak.com/inst/)
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+## Overview
+This repository contains an R Shiny application that simulates a “largest-group-wins” scenario under a Single-Member-District (SMD) system with three groups (K=3). 
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+It illustrates how population shares translate into seat-winning probabilities and computes a “Representation Index” to measure how well seat allocations match underlying group sizes.