SU-CS109 Midterm
Last edited: August 8, 2025- standard normal density function, and formula for phi for ARBITURARY normals (x-u/sigma)
- practice using inverse phi
- BEWARE that sigma is not sigma squared
- PDF AND CDF, Mean, Var, params, Generative Story for:
- continuity correction
- permutation and combinations formula
- counting formulas: binning, stars and bars, and the counting methods tree from beginning of class
- probability theorems: law of total probabaly, baysian, demorgans, counting with and and or
- multinomial distribution
- binomial coefficient (i.e. combinations formula), multinomial coefficient
- joint probability distribution and their table
- Naive Bayes divison ratio trick
- relative probability
SU-CS109 Midterm Sheet
Last edited: August 8, 2025SU-CS109 NOV012023
Last edited: August 8, 2025What if you don’t know about a probability of success?
Beta Distribution time!!!
Multi-Arm Bandit
See Multi-Arm Bandit
Strategies:
- upper confidence bound: take the action with theh highest n-tn-thonfidence bound
- Posterior Sampling: take a sample from each Beta Distributions distribution; take the action that has a higher probability of success based on their r
SU-CS109 NOV032023
Last edited: August 8, 2025Key Sequence
Notation
New Concepts
Important Results / Claims
Questions
Interesting Factoids
SU-CS109 NOV062023
Last edited: August 8, 2025Key Sequence
Notation
New Concepts
Important Results / Claims
- sample mean
- sample variance
- standard error of the mean: “variance of the mean”: “how wrong is your meassured mean”