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Create app.py
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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 StandardScaler
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from sklearn.metrics.pairwise import cosine_similarity
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# Load your dataset
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df1 = pd.read_csv('your_dataset.csv') # Replace 'your_dataset.csv' with your actual dataset filename
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# Copy the content-based recommendation code
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audio_features = df1[['danceability', 'energy', 'key', 'loudness', 'mode', 'speechiness',
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'acousticness', 'instrumentalness', 'liveness', 'valence', 'tempo',
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'duration_ms', 'time_signature']]
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mood_cats = df1[['mood_cats']]
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# Normalize audio features
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scaler = StandardScaler()
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audio_features_scaled = scaler.fit_transform(audio_features)
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# Combine mood and audio features
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combined_features = pd.concat([mood_cats, pd.DataFrame(audio_features_scaled)], axis=1)
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# Calculate similarity matrix
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similarity_matrix = cosine_similarity(combined_features)
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def recommend_cont(song_index, num_recommendations=5):
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song_similarity = similarity_matrix[song_index]
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# Get indices and similarity scores of top similar songs
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similar_songs = sorted(list(enumerate(song_similarity)), key=lambda x: x[1], reverse=True)[1:num_recommendations+1]
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recommended_song_indices = [idx for idx, similarity in similar_songs]
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recommended_songs = df1.iloc[recommended_song_indices].copy()
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recommended_songs['score'] = [similarity for idx, similarity in similar_songs]
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return recommended_songs
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# Streamlit app
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st.title('Content-Based Recommender System')
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# Select a song index
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selected_index = st.slider('Select a song index', 0, len(df1)-1, 0)
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# Get recommendations
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recommended_songs = recommend_cont(selected_index)
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# Display recommended songs using st.write
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st.subheader('Recommended Songs:')
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for index in recommended_songs.index:
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st.write(f"Song Index: {index}, Title: {recommended_songs.loc[index, 'track_name']}, Artist: {recommended_songs.loc[index, 'track_artist']}, Score: {recommended_songs.loc[index, 'score']}")
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