Karteikarten
Dirichlet
Karten in diesem Stapel (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
Informationen
- Beschreibung
- Machine Learning Karteikarten am Dirichlet, erstellt von Philip Masters am 03/01/2020.
- Erstellt von
- Philip Masters
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- 1
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