Flashcards
Dirichlet
Cards in this deck (4)
- 1What are generative models?Like PCA they parameterise observed data using latent variables that describe a model of how to create data
- 2What are Dirichlet process?Non-parametric distribution that describes a distribution of a partitioning into a countable infinite amount of partitions
- 3What is the Infinite Mixture Model?Pick the first data point
Pick the first mixture and associated parameters
Get new data point
Associate with current mixture or create a new one
If new pick new parameters
Repeat - 4What is LDA?Assumes the dsitributions are independent
Choose a specific distribution to each
It's a heirarchical models that stacks assumptions together
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- Machine Learning Flashcards on Dirichlet, created by Philip Masters on 03/01/2020.
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- Philip Masters
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