The method to determine the most precise categorization of data using Self Organizing Map involves the following steps:
Choosing the appropriate network topology: The network topology refers to the structure of the neural network that is used to train the Self Organizing Map. The most commonly used topology is a 2D grid, but other topologies can be used depending on the nature of the data.
Data normalization: Before training the Self Organizing Map, the data should be normalized, which means that the data is scaled and centered to a standard range.
Determining the optimal number of neurons: The number of neurons in the Self Organizing Map determines the level of granularity in the map. A larger number of neurons will provide a more detailed categorization of the data, but it will also increase the computation time.
Training the Self Organizing Map: The Self Organizing Map is trained using the input data, and the weights of the neurons are adjusted to minimize the error between the input data and the weights.
Determining the best map configuration: Once the Self Organizing Map is trained, several configurations of the map can be evaluated to determine the most precise categorization of the data. The configuration that produces the smallest quantization error, also known as the average distance between the input data and the nearest neuron, is considered the best configuration.
Analyzing the results: The Self Organizing Map can be visualized to analyze the pattern of the neuron weights and to determine the clusters in the data. The clusters can then be labeled or annotated based on their characteristics.
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Asked: 2021-10-30 11:00:00 +0000
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Last updated: Aug 18 '21
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