Kick-off I like the Way Jenny Scrubs
DJ Earworm Announcements Go over names New Material Derive Bayes rule to explain Sameer's observation Show the derivation of Bayes rule Joint -> conditional using chain rule Example First point out the joint probability calculation Use a table of ACGT Show how to normalize the whole table Show the difference when you compute conditionals Bring it all back to the problem of classifying the scripts Using a Markov model generatively Start with probability estimates and a good random number generator walk forward through the world Prove that the ACTG sequence generated has the same conditional probabilities Evaluating classification accuracy - N-Fold classification Methodological concern which test generalizability of technique Partition data into N equal-sized disjoint segments N trial train models on N-1 data sets test on 1 trials are independent Average classification accuracies 10-fold special case LOOCV Assignment 02 Any more questions on this? Break Web 2.0 quiz More new material Latent Semantic Indexing