## If x is a subset of Y then, is inverse of x also a subset of Y?

Let $f : X \rightarrow Y$ be a function. If B is subset of y then its inverse image $f^-B$ is the subset of x define by $f^-B = {x : f(x) \in B}$ Now prove the following. $i. B_1 \subset B_2 \Rightarrow f^-B_1 \subset f^- B_1$ […]

## Writing a Linear Regression Class from Scratch Using Python

Linear Regression Introduction Before there was any ML algorithms, there was a concept and that was regression. Linear Regression is considered as the process of finding the value or guessing a dependent variable using the number of independent variables. Take for a example:- predicting a price of house using variables like, size of house, age […]

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