Machine Learning parameters and ultra-parameter

A. The model parameters (Parameters)

  1. Internal model configuration variables, for example: in the neural network weights w and bias B, SVM support vector coefficients of the linear regression of a logistic regression;
  2. Use the data to estimate (optimization) or the learned;

II. Super model parameters (Hyper-parameters)

  1. Variable outer model set, for example: learning rate of neural networks, the number of iterations, the number of hidden layers, the number of each neural element of C ,, SVM and sigma, k nearest neighbor of K;
  2. Model parameters will not change in the learning process, set by the person directly or select a search algorithm for estimating model parameters.
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