Podcast Beta
Questions and Answers
What is the joint probability if variables A and B both depend on C?
P(A, B, C) = P(A | C) * P(B | C) * P(C)
What does the notation 'Plates' serve as in graphical models?
Shorthand notion for repeated elements
In Probabilistic Latent Semantic Indexing (pLSI), what does theta represent?
Topic distribution of document
What does the EM algorithm aim to find in the context of pLSI?
Signup and view all the answers
What is the iterative procedure called that optimizes a statistical model?
Signup and view all the answers
What is the first step in the Expectation-Maximization (EM) algorithm?
Signup and view all the answers
What is the purpose of the Expectation-Maximization algorithm?
Signup and view all the answers
How does the Probabilistic Generative Model assume data generation?
Signup and view all the answers
In PLSI, how is a document modeled?
Signup and view all the answers
What is the main idea behind the EM-Algorithm for pLSI?
Signup and view all the answers
What are some ways to incorporate prior knowledge in PLSI?
Signup and view all the answers
Why does incorporating all words, including stopwords, in PLSI cause problems?
Signup and view all the answers