class LinearRegressionimport { LinearRegression } from "https://deno.land/x/dklearn@0.0.3/mod.ts"; ConstructorsnewLinearRegression()MethodsmeanSquaredError(X_train: Matrix,y_train: Matrix,w: number,b: number,)predict(X_new: number,w: number,b: number,)train(X_train: Matrix,y_train: Matrix,epochs: number,w: number,b: number,lr: number,verbose?,)updateWB(X_train: Matrix,y_train: Matrix,w: number,b: number,lr: number,): number[]