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Michael Rey
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Commit
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d3bd225
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Parent(s):
d74d55e
added latest changes
Browse files- README.md +1 -1
- app.py +66 -0
- movies.csv +0 -0
- requirements.txt +4 -0
README.md
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---
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title:
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emoji: π₯
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colorFrom: green
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---
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title: Movie Recommender Using K-Means Clustering
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emoji: π₯
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colorFrom: green
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colorTo: red
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app.py
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import streamlit as st
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import pandas as pd
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from sklearn.preprocessing import MultiLabelBinarizer
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from sklearn.cluster import KMeans
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from sklearn.decomposition import PCA
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import matplotlib.pyplot as plt
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# Title
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st.title("Movie Recommendation")
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st.markdown("#### Recommend Movies in the Same Cluster of Genre using K-Means Clustering", unsafe_allow_html=True)
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# Load dataset
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movies = pd.read_csv('movies.csv')
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movies = movies[movies['genres'] != '(no genres listed)']
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movies['genres'] = movies['genres'].apply(lambda x: x.split('|'))
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# One-hot encode genres
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mlb = MultiLabelBinarizer()
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genre_matrix = mlb.fit_transform(movies['genres'])
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# Apply KMeans
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k = 10
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model = KMeans(n_clusters=k, random_state=42)
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movies['cluster'] = model.fit_predict(genre_matrix)
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# Add PCA for 2D visualization
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pca = PCA(n_components=2)
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pca_result = pca.fit_transform(genre_matrix)
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movies['pca_x'] = pca_result[:, 0]
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movies['pca_y'] = pca_result[:, 1]
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# Streamlit Tabs
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tab1, tab2, tab3 = st.tabs(["π Dataset Overview", "π Clustering Visualization", "π¬ Movie Recommender"])
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# Tab 1: Dataset Overview
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with tab1:
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st.header("π₯ Movie Dataset Overview")
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st.write("Total Movies:", len(movies))
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st.dataframe(movies[['title', 'genres', 'cluster']].head(10))
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# Tab 2: Visualization
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with tab2:
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st.header("π§ Genre-Based Clustering (PCA Projection)")
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fig, ax = plt.subplots()
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scatter = ax.scatter(movies['pca_x'], movies['pca_y'], c=movies['cluster'], cmap='tab10', alpha=0.6)
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ax.set_xlabel("PCA 1")
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ax.set_ylabel("PCA 2")
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ax.set_title("Movie Genre Clusters")
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st.pyplot(fig)
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# Tab 3: Movie Recommender
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with tab3:
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st.header("π¬ Movie Recommender (Unsupervised KMeans)")
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movie_options = sorted(movies['title'].unique())
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selected_title = st.selectbox("Choose a movie:", movie_options)
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selected_movie = movies[movies['title'] == selected_title].iloc[0]
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st.success(f"You selected: {selected_movie['title']}")
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cluster_id = selected_movie['cluster']
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recs = movies[(movies['cluster'] == cluster_id) & (movies['title'] != selected_movie['title'])]
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st.subheader("π Recommended Movies (Same Cluster):")
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for title in recs['title'].head(10):
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st.write(f"- {title}")
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movies.csv
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requirements.txt
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@@ -0,0 +1,4 @@
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streamlit
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pandas
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scikit-learn
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matplotlib
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