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How to implement K-fold in this recommendation system?



2019 Community Moderator ElectionHow do recommendation systems work?How to evaluate a Content-based Recommender SystemHow to Implement A Recommendation System?Good resources on recommender systems?Implementing recommendation system for unsupervised learningRecommendation System based on tagsRecommendation system designHow to Implement Recommendation system with WekaKeras AttributeError: 'list' object has no attribute 'ndim'What loss function to use for an Seq2Seq NMT?










0















anyone knows how to implement k-fold in this algoritm, try some methods but didnt work, can anyone help me ?





from sklearn.model_selection import train_test_split
train, test = train_test_split(dataset, test_size=0.2)
n_users, n_movies = len(dataset.userId.unique()), len(dataset.movieId.unique())
n_latent_factors = 3

movie_input = keras.layers.Input(shape=[1],name='Item')
movie_embedding = keras.layers.Embedding(n_movies + 1, n_latent_factors, name='Movie-Embedding')(movie_input)
movie_vec = keras.layers.Conv1D(64,kernel_size=1)(movie_embedding)
movie_vec = keras.layers.MaxPooling1D(pool_size = (1))(movie_vec)
movie_vec = keras.layers.Flatten(name='FlattenMovies')(movie_vec)

user_input = keras.layers.Input(shape=[1],name='User')
user_embedding=(keras.layers.Embedding(n_users + 1, n_latent_factors,name='User-Embedding')(user_input))
user_vec = keras.layers.Conv1D(64,kernel_size=1)(user_embedding)
user_vec = keras.layers.MaxPooling1D(pool_size = (1))(user_vec)
user_vec = keras.layers.Flatten(name='FlattenUsers')(user_vec)

prod = keras.layers.dot([movie_vec, user_vec], axes=1,name='DotProduct')
model = keras.Model([user_input, movie_input], prod)
model.compile('adam', 'mean_squared_error')
history = model.fit([train.userId, train.movieId], train.rating, epochs=40)









share|improve this question




























    0















    anyone knows how to implement k-fold in this algoritm, try some methods but didnt work, can anyone help me ?





    from sklearn.model_selection import train_test_split
    train, test = train_test_split(dataset, test_size=0.2)
    n_users, n_movies = len(dataset.userId.unique()), len(dataset.movieId.unique())
    n_latent_factors = 3

    movie_input = keras.layers.Input(shape=[1],name='Item')
    movie_embedding = keras.layers.Embedding(n_movies + 1, n_latent_factors, name='Movie-Embedding')(movie_input)
    movie_vec = keras.layers.Conv1D(64,kernel_size=1)(movie_embedding)
    movie_vec = keras.layers.MaxPooling1D(pool_size = (1))(movie_vec)
    movie_vec = keras.layers.Flatten(name='FlattenMovies')(movie_vec)

    user_input = keras.layers.Input(shape=[1],name='User')
    user_embedding=(keras.layers.Embedding(n_users + 1, n_latent_factors,name='User-Embedding')(user_input))
    user_vec = keras.layers.Conv1D(64,kernel_size=1)(user_embedding)
    user_vec = keras.layers.MaxPooling1D(pool_size = (1))(user_vec)
    user_vec = keras.layers.Flatten(name='FlattenUsers')(user_vec)

    prod = keras.layers.dot([movie_vec, user_vec], axes=1,name='DotProduct')
    model = keras.Model([user_input, movie_input], prod)
    model.compile('adam', 'mean_squared_error')
    history = model.fit([train.userId, train.movieId], train.rating, epochs=40)









    share|improve this question


























      0












      0








      0








      anyone knows how to implement k-fold in this algoritm, try some methods but didnt work, can anyone help me ?





      from sklearn.model_selection import train_test_split
      train, test = train_test_split(dataset, test_size=0.2)
      n_users, n_movies = len(dataset.userId.unique()), len(dataset.movieId.unique())
      n_latent_factors = 3

      movie_input = keras.layers.Input(shape=[1],name='Item')
      movie_embedding = keras.layers.Embedding(n_movies + 1, n_latent_factors, name='Movie-Embedding')(movie_input)
      movie_vec = keras.layers.Conv1D(64,kernel_size=1)(movie_embedding)
      movie_vec = keras.layers.MaxPooling1D(pool_size = (1))(movie_vec)
      movie_vec = keras.layers.Flatten(name='FlattenMovies')(movie_vec)

      user_input = keras.layers.Input(shape=[1],name='User')
      user_embedding=(keras.layers.Embedding(n_users + 1, n_latent_factors,name='User-Embedding')(user_input))
      user_vec = keras.layers.Conv1D(64,kernel_size=1)(user_embedding)
      user_vec = keras.layers.MaxPooling1D(pool_size = (1))(user_vec)
      user_vec = keras.layers.Flatten(name='FlattenUsers')(user_vec)

      prod = keras.layers.dot([movie_vec, user_vec], axes=1,name='DotProduct')
      model = keras.Model([user_input, movie_input], prod)
      model.compile('adam', 'mean_squared_error')
      history = model.fit([train.userId, train.movieId], train.rating, epochs=40)









      share|improve this question
















      anyone knows how to implement k-fold in this algoritm, try some methods but didnt work, can anyone help me ?





      from sklearn.model_selection import train_test_split
      train, test = train_test_split(dataset, test_size=0.2)
      n_users, n_movies = len(dataset.userId.unique()), len(dataset.movieId.unique())
      n_latent_factors = 3

      movie_input = keras.layers.Input(shape=[1],name='Item')
      movie_embedding = keras.layers.Embedding(n_movies + 1, n_latent_factors, name='Movie-Embedding')(movie_input)
      movie_vec = keras.layers.Conv1D(64,kernel_size=1)(movie_embedding)
      movie_vec = keras.layers.MaxPooling1D(pool_size = (1))(movie_vec)
      movie_vec = keras.layers.Flatten(name='FlattenMovies')(movie_vec)

      user_input = keras.layers.Input(shape=[1],name='User')
      user_embedding=(keras.layers.Embedding(n_users + 1, n_latent_factors,name='User-Embedding')(user_input))
      user_vec = keras.layers.Conv1D(64,kernel_size=1)(user_embedding)
      user_vec = keras.layers.MaxPooling1D(pool_size = (1))(user_vec)
      user_vec = keras.layers.Flatten(name='FlattenUsers')(user_vec)

      prod = keras.layers.dot([movie_vec, user_vec], axes=1,name='DotProduct')
      model = keras.Model([user_input, movie_input], prod)
      model.compile('adam', 'mean_squared_error')
      history = model.fit([train.userId, train.movieId], train.rating, epochs=40)






      keras recommendation-engine






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Mar 8 at 14:12









      Ioannis Nasios

      3,78931035




      3,78931035










      asked Mar 7 at 18:40









      Gustavo Barreto ResendeGustavo Barreto Resende

      11




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