   # Case study ridge regression

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The Ridge regression is a technique which is specialized to analyze multiple regression data which is multicollinearity in nature. Though linear regression and logistic regression are the most beloved members of the regression family, according to a record-talk at NYC DataScience Academy , you must be familiar with using regression without regularization. This course will help you to achieve excellence in this domain. Ridge regression is one of the most fundamental regularization techniques which is not used by many due to the complex science behind it. Regression is the same, what makes regularization different is that the way how the model coefficients are determined.  ## A comprehensive beginners guide for Linear, Ridge and Lasso Regression in Python and R    ## Ridge Regression

The standard linear model or the ordinary least squares method performs poorly in a situation, where you have a large multivariate data set containing a number of variables superior to the number of samples. A better alternative is the penalized regression allowing to create a linear regression model that is penalized, for having too many variables in the model, by adding a constraint in the equation James et al. Bruce and Bruce This is also known as shrinkage or regularization methods. The consequence of imposing this penalty, is to reduce i. This allows the less contributive variables to have a coefficient close to zero or equal zero.   ### 5.1 - Ridge Regression

Ridge regression is a model tuning method that is used to analyse any data that suffers from multicollinearity. This method performs L2 regularization. When the issue of multicollinearity occurs, least-squares are unbiased, and variances are large, this results in predicted values to be far away from the actual values. Contributed by: Prashanth Ashok. Lambda is the penalty term.     Case Study - Predicting Housing Prices In our first case study, predicting house prices, you will create models that predict a continuous value price from input features square footage, number of bedrooms and bathrooms, This is just one of the many places where regression can be applied. Other applications range from predicting health outcomes in medicine, stock prices in finance, and power usage in high-performance computing, to analyzing which regulators are important for gene expression. 4 comment Amy is a fantastic instructor. ## 21.04.2021 0:20:05 J.C. P.:

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