运行Keras例子程序：imdb_cnn.py

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下载例子程序：https://github.com/fchollet/keras

函数解析

1）keras.layers.embeddings.Embedding(input_dim, output_dim, init='uniform', input_length=None, W_regularizer=None, activity_regularizer=None, W_constraint=None, mask_zero=False, weights=None, dropout=0.0)

Example

# -*- coding: utf-8 -*-"""Created on Mon Jun 06 15:30:07 2016@author: Michelle"""from __future__ import print_functionimport numpy as npfrom keras.models import Sequentialfrom keras.layers import Embeddingmodel = Sequential()#该模型的输入为一个整数矩阵(batch, input_length),#输出为三维矩阵(batch, input_length, 64),即每行的输入生成一个矩阵（input_length, 64）model.add(Embedding(1000, 64, input_length=10))  # the model will take as input an integer matrix of size (batch, input_length).  # the largest integer (i.e. word index) in the input should be no larger than 999 (vocabulary size).  # now model.output_shape == (None, 10, 64), where None is the batch dimension.#输入：1000以内，32*10的随机二维整数矩阵input_array = np.random.randint(1000, size=(32, 10))model.compile('rmsprop', 'mse')#输出：三维矩阵output_array = model.predict(input_array)assert output_array.shape == (32, 10, 64)

运行程序时出现的错误：

1）EOFError

原因：重复下载文件没有中断

解决：到 C:\Users\Michelle\.keras\datasets下删除*.pkl文件

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