Created
October 9, 2019 13:41
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ratings_df = load_data(ML100K, implicit=IMPLICIT, n_users=NUM_USERS) | |
train_df, test_df = train_test_split(ratings_df, loo=True) | |
sampler = NegativeSampler(ratings_df['item_id'].unique()).fit(train=train_df, test=test_df) | |
train_df = sampler.transform(train_df, train=True, size=50) | |
test_df = sampler.transform(test_df, train=False, size=10) | |
gmf = GMF(n_users=ratings_df.user_id.nunique(), n_items=ratings_df.item_id.nunique(), implicit=IMPLICIT) | |
reco = Recommender(keras_model=gmf, loss='binary_crossentropy', optimizer='adam', ) | |
reco.fit(data=train_df, verbose=True, epochs=10) | |
reco.plot_history(figsize=(10, 2)) | |
plt.show() | |
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