Tag Archives: kernel

This gallery contains 9 photos.

An unabashedly narcissistic data analysis of my own tweets. The unequivocally lovely Jeff Gentry (@geoffjentry) has contributed an R package with easy-to-read documentation that works, which I’ll walk through here so that you, too, can gaze at your own face … Continue reading

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visualisation of how the kernel trick makes a non-separable collection of points linearly separable. I guess the kernel mappings really add a dimension, rather than replacing a dimension, don’t they. (Source: http://www.youtube.com/)

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Positive Semi-Definite

Mathematical matrices are blocks of numbers. So they don’t necessarily have definite characteristics the way plain vanilla, singleton numbers do. They’re freer. For example 131 ∈ positive and −9 ∈ negative. But is positive, negative, or zero? Well, it has … Continue reading

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