Question: Using body fat data set given below, write R code for linear regression model algorithm (without using built-in functions ), using 1)batch gradient decent method

Using body fat data set given below, write R code for linear regression model algorithm (without using built-in functions ), using 1)batch gradient decent method 2)stochastic gradient decent method 3)Normal equation method

Body fat data set CSV data can be downloaded from link

https://drive.google.com/open?id=1hoadOlDSvBa9T5nkeVGa9GRba3UDrQJZ

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