Regression Machine Learning with R | Data Science Online Course by Udemy

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Learn regression machine learning from basic to expert level through a practical course with R statistical software.

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Regression Machine Learning with R

Full Course Content Last Update 07/2018Learn regression machine learning through a practical course with R statistical software using S & P 500 Index ETF prices historical data for algorithm learning. It explores main concepts from basic to expert level which can help you achieve better grades, develop your academic career, apply your knowledge at work or do your business forecasting research. All of this while exploring the wisdom of best academics and practitioners in the field. Become a Regression Machine Learning Expert in this Practical Course with RRead S & P 500 Index ETF prices data and perform regression machine learning operations by installing related packages and running code on RStudio IDE. Create target and predictor algorithm features for supervised regression learning task. Select relevant predictor features subset through Student t-test and ANOVA F-test univariate filter methods. Choose relevant predictor features subset through recursive feature elimination deterministic wrapper method. Designate relevant predictor features subset through least absolute shrinkage and selection operator embedded method. Extract predictor features transformations through principal component analysis. Train algorithm for mapping optimal relationship between target and predictor features. Test algorithm for evaluating previously optimized relationship forecasting accuracy through scale-dependent and scale-independent error metrics. Calculate generalized linear models such as linear regression or elastic net regression and select optimal linear regression coefficients regularization parameter through time series cross-validation. Compute similarity methods such as k nearest neighbors and select optimal number of nearest neighbors parameter through time series cross-validation. Estimate frequency methods such as decision tree and select optimal maximum tree depth parameter through time series cross-validation. Calculate ensemble methods such as random forest or extreme gradient boosting machine and select optimal number of randomly selected predictors or maximum trees depth parameter through time series cross-validation. Compute maximum margin methods such as linear or non-linear support vector machines and select optimal error term penalization parameter through time series cross-validation. Estimate multi-layer perceptron methods such as artificial neural network and select optimal node connection weight decay regularization parameter through time series cross-validation. Compare regression machine learning algorithms training and testing. Become a Regression Machine Learning Expert and Put Your Knowledge in PracticeLearning regression machine learning is indispensable for data mining applications in areas such as consumer analytics, finance, banking, health care, science, e-commerce and social media. It is also essential for academic careers in data mining, applied statistical learning or artificial intelligence. And it is necessary for business forecasting research. But as learning curve can become steep as complexity grows, this course helps by leading you step by step using S & P 500 Index ETF prices historical data for algorithm learning to achieve greater effectiveness. Content and OverviewThis practical course contains 56 lectures and 5.5 hours of content. Its designed for all regression machine learning knowledge levels and a basic understanding of R statistical software is useful but not required. At first, youll learn how to read S & P 500 Index ETF prices historical data to perform regression machine learning operations by installing related packages and running script code on RStudio IDE. Then, youll define algorithm features by creating target and predictor variables for supervised regression learning task. Next, youll only include relevant predictor features subset or transformations in algorithm learning through features selection and features extraction procedures. For features selection, youll define univariate filter methods, deterministic wrapper methods and embedded methods. For univariate filter methods, youll implement Student t-test and ANOVA F-test. For deterministic wrapper methods, youll implement recursive feature elimination. For embedded methods, youll implement least absolute shrinkage and selection operator or lasso. For features extraction, youll implement principal component analysis. After that, youll define algorithm training through mapping optimal relationship between target and predictor features within training range. For algorithm training, optimal parameters selection or fine tuning, bias-variance trade-off, optimal model complexity and time series cross-validation are defined. Later, youll define algorithm testing through evaluating previously optimized relationship forecasting accuracy through scale-dependent and scale-independent metrics within testing range. For scale-dependent metrics, youll define mean absolute error and root mean squared error. For scale-independent metrics, youll define mean absolute percentage error. After that, yo

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