Automatic Selection of t-SNE Perplexity

10 Aug 2017 Yanshuai Cao Luyu Wang

t-Distributed Stochastic Neighbor Embedding (t-SNE) is one of the most widely used dimensionality reduction methods for data visualization, but it has a perplexity hyperparameter that requires manual selection. In practice, proper tuning of t-SNE perplexity requires users to understand the inner working of the method as well as to have hands-on experience... (read more)

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