How do you sample Directed Graphical Models by following the edges? Welcome to Ancestral sampling. You can find the notes here: [ Ссылка ]
In this video, we use ancestral sampling to draw random variates from joint distribution. This technique exploits the graph structure of the directed graphical model. Similarly, we can also use this structure to calculate the likelihood.
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Timestamps:
0:00 Opening
0:11 The example Graphical Model
5:23 Ancestral Sampling
06:15 Drawing Samples with NumPy
08:42 Repetition: Factorizing the joint
09:35 Likelihood Calculation
12:37 Summary
