Character selection method based on particle swarm optimization algorithm
A feature selection method, particle swarm optimization technology, applied in computing, computer components, instruments, etc., to achieve the effect of improving accuracy and reducing the number
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[0025] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0026] Such as figure 1 As shown, the feature selection method based on particle swarm optimization algorithm includes the following steps:
[0027] Step 1. Split the input data set into training set and test set;
[0028] The data is normalized, and the data set is divided into training set and test set. The split method is a leave-one-out cross-validation method. The data set is divided into n parts, one of which is used as the training set, and the remaining n-1 parts are all used as the test set.
[0029] Step 2. Determine the parameters to be optimized and the fitness function based on the s...
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