Letty WuClassification Metrics — Study NotesAccuracy=(TP+TN)/All Predictions2 min read·Feb 3, 2021----
Letty WuRegression Metrics — Study NotesResiduals- we can plot residuals out and look for Scedasticity and Outliers, this is how a Homoscedasticity residuals plot look like:2 min read·Jan 27, 2021----
Letty WuLinear Regression Model-Study NotesOrdinary Least Squares Regression: linear regression that has minimum mean squared error(MSE).1 min read·Jan 10, 2021----
Letty WuTakeaway from the Bias-Variance TradeoffThere are 3 types of errors that a models can have, error due to bias, error due to variance, and irreducible errors due to randomness or…1 min read·Dec 9, 2020----
Letty WuJournal Into Data ScienceAt the time when I was about to graduate from University, everyone was either looking for a job or applying graduate school. I was…1 min read·Nov 27, 2020----