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A FORMAL INTRO TO MACHINE LEARNING USING LOGISTIC REGRESSION FROM SCRATCH

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The machine learning  is all about making computer or a machine like Robot! to do stuff without actually telling every single thing via programming...here the computer or a machine just learns how to do the stuff.., it'll figure it out like you and me. how it does that?...well that's math!! for you...yes, literally it figure it out using mathematics. What kind of it??? well for starters if you ever had any math class in your university or school...that'll do!  Ok that being said we gonna learn little bit of ML(machine learning). especially the one called supervised learning. Supervised Learning : is a kind of method telling the computer what to do whether than how to do..in technical term we call it as specifying "LABELS" for prediction... Say we have a data on a phone parts like camera, storage, ram, 5G or 4G, brand (apple, Samsung, etc..) and their prices. we need to predict the price of a new phone based on specs from our previous data on specs and brand. her