Question: Implement a simple linear regression model from scratch using Python. Assume you have a dataset containing two columns: one for independent variable (X) and another for dependent variable (Y). Your task is to write a Python class that trains a linear regression model using gradient descent optimization.

Write the code in python programming for the below problem. Introduction One useful data point in detecting fraud is the account history of a customer. For an account, we receive notification of purchases and, sometimes, reports of fraud. Typically, a prior report of fraud for an account would increase the perceived risk of fraud on future transactions. Similarly, a history of non-fraudulent purchases for an account would decrease the risk of fraud. A credit card holder has 90 days to report any fraudulent transactions with the card. So if an account has purchases over 90 days old and no reports of fraud, we assume that these older purchases were not-fraudulent. Problem Description The purpose of this programming problem is to determine the status of a customer account history at the time a new purchase is made. The input is a sequence of customer account events, in chronological order. Each event has three fields, all of which are of string type ,, For example:…

By implementing the concepts of Classes and Objects, write a C++ program that determines the slope of a line from the coordinates, P(x,y), of the 2 points. The coordinates of the 2 points: P1 (x1, y1) and P2 (x2, y2) are to he entered from the keyboard. The slope, m, of the line is computed as: m=(y2-y1/x2-x1) Accomplish the following for the given class diagram: 1.) Create the class implementation using C++ 2.) Using the constructor, create 2 objects, P1 and P2, from class Point and store them in the heap memory. 3.) Implement the functions of the 2 objects. NOTE: The member function setXY is used to enter the values of x and y from the keyboard. Sample input/output display: Enter the coordinates of the 1st point (x1 y1): 1 1 Enter the coordinates of the 2nd point (x2 y2): 5 4 The slope of the line, m=0.75

Implement a C++ program for a RESTAURANT that has multiple branches, and each branch has menus of food items, their stock and a list of customers. A branch may have for example a breakfast menu and lunch menu with different food items, and the stock (available quantity) of each food item in the branch. Also, the branch will have a list of regular customers and their contact information to contact them for offers and new food items. Class Names Data and Member Functions Food Data Members: ID, Name, Calories, Price Member Functions: getID, getName, getCalories, getPrice setID, setName, setCalories, setPrice Stock Data Members: ID, Food, Stock Member Functions: getID, getFood, getStock setID, setFood, setStock Customer Data Members: ID, Name, Phone Member Functions: getID, getName, getPhone setID, setName, setPhoe Menu Data Members: ID, Name, foodList Member Functions: getID, getName, getFoodList setID, setName Branch Data Members: ID, Address, menuList, stockList, customerList Member…