In this chapter, you have learned the comparison of statistical models with machine learning models applied on regression problems. The multiple linear regression methodology has been illustrated with a step-by-step iterative process using the statsmodel
package by removing insignificant and multi-collinear variables. Whereas, in machine learning models, removal of variables does not need to be removed and weights get adjusted automatically, but have parameters which can be tuned to fine-tune the model fit, as machine learning models learn by themselves based on data rather than exclusively being modeled by removing variables manually. Though we got almost the same accuracy results between linear regression and lasso/ridge regression methodologies, by using highly powerful machine learning models such as random forest, we can achieve much better uplift in model accuracy than conventional statistical models. In the next chapter, we will be covering a classification example with logistic...
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Pratap Dangeti develops machine learning and deep learning solutions for structured, image, and text data at TCS, analytics and insights, innovation lab in Bangalore. He has acquired a lot of experience in both analytics and data science. He received his master's degree from IIT Bombay in its industrial engineering and operations research program. He is an artificial intelligence enthusiast. When not working, he likes to read about next-gen technologies and innovative methodologies.
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Pratap Dangeti develops machine learning and deep learning solutions for structured, image, and text data at TCS, analytics and insights, innovation lab in Bangalore. He has acquired a lot of experience in both analytics and data science. He received his master's degree from IIT Bombay in its industrial engineering and operations research program. He is an artificial intelligence enthusiast. When not working, he likes to read about next-gen technologies and innovative methodologies.
Read more about Pratap Dangeti