Dynamic missing value filling method based on detracking auto-encoder
An autoencoder and missing value technology, applied in neural learning methods, neural architectures, biological neural network models, etc., can solve problems such as reduced training accuracy, achieve structural simplicity, improve known information utilization, and improve regression performance effect
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[0043] The specific embodiments of the present invention will be described in detail below in combination with the summary of the invention and the accompanying drawings.
[0044] figure 1 It is a working flow diagram of the present invention. In the figure, the first row A in the incomplete data set 1 ,A 2 ,A 3 ,...,A s Indicates attribute names, and black markers indicate missing values. based on figure 1 It can be seen that the present invention builds the network model TRAE according to the number of attributes of the data set, and then uses the filling scheme MVPT to realize network training and filling of missing values in parallel. Before training, the scheme randomly initializes the network parameters and missing value estimates; during the training process, the entire incomplete data set is input into TRAE as a training set; TRAE updates network parameters and missing value estimates based on the optimization algorithm; the updated missing value estimates are ...
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