Articles About Machine Learning

Machine Learning Datasets in R (10 datasets you can use right now)

Last Updated on August 15, 2020 You need standard datasets to practice machine learning. In this short post you will discover how you can load standard classification and regression datasets in R. This post will show you 3 R libraries that you can use to load standard datasets and 10 specific datasets that you can use for machine learning in R. It is invaluable to load standard datasets in R so that you can test, practice and experiment with machine […]

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Spot Check Machine Learning Algorithms in R (algorithms to try on your next project)

Last Updated on August 22, 2019 Spot checking machine learning algorithms is how you find the best algorithm for your dataset. But what algorithms should you spot check? In this post you discover the 8 machine learning algorithms you should spot check on your data. You also get recipes of each algorithm that you can copy and paste into your current or next machine learning project in R. Kick-start your project with my new book Machine Learning Mastery With R, including […]

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Get Your Data Ready For Machine Learning in R with Pre-Processing

Last Updated on August 22, 2019 Preparing data is required to get the best results from machine learning algorithms. In this post you will discover how to transform your data in order to best expose its structure to machine learning algorithms in R using the caret package. You will work through 8 popular and powerful data transforms with recipes that you can study or copy and paste int your current or next machine learning project. Kick-start your project with my new […]

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Save And Finalize Your Machine Learning Model in R

Last Updated on August 22, 2019 Finding an accurate machine learning is not the end of the project. In this post you will discover how to finalize your machine learning model in R including: making predictions on unseen data, re-building the model from scratch and saving your model for later use. Kick-start your project with my new book Machine Learning Mastery With R, including step-by-step tutorials and the R source code files for all examples. Let’s get started. Finalize Your Machine Learning Model in […]

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Machine Learning Project Template in R

Last Updated on August 22, 2019 Applied machine learning is an empirical skill. You cannot get better at it by reading books and blog posts. You have to practice. In this post, you will discover the simple 6-step machine learning project template that you can use to jump-start your project in R. Kick-start your project with my new book Machine Learning Mastery With R, including step-by-step tutorials and the R source code files for all examples. Let’s get started. Machine […]

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Review of Machine Learning With R

Last Updated on August 16, 2020 How do you get started with machine learning in R? In this post you will discover the book Machine Learning with R by Brett Lantz that has the goal of telling you exactly how to get started practicing machine learning in R. We cover the audience for the book, a nice deep breakdown of the contents and a summary of the good and bad points. Kick-start your project with my new book Machine Learning […]

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Compare The Performance of Machine Learning Algorithms in R

Last Updated on August 22, 2019 How do you compare the estimated accuracy of different machine learning algorithms effectively? In this post you will discover 8 techniques that you can use to compare machine learning algorithms in R. You can use these techniques to choose the most accurate model, and be able to comment on the statistical significance and the absolute amount it beat out other algorithms. Kick-start your project with my new book Machine Learning Mastery With R, including […]

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Machine Learning Evaluation Metrics in R

Last Updated on August 22, 2019 What metrics can you use to evaluate your machine learning algorithms? In this post you will discover how you can evaluate your machine learning algorithms in R using a number of standard evaluation metrics. Kick-start your project with my new book Machine Learning Mastery With R, including step-by-step tutorials and the R source code files for all examples. Let’s get started. Machine Learning Evaluation Metrics in RPhoto by Roland Tanglao, some rights reserved. Model […]

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How To Get Started With Machine Learning in R (get results in one weekend)

Last Updated on December 13, 2019 How do you get started with machine learning in R? R is a large and complex platform. It is also the most popular platform for the best data scientists in the world. In this post you will discover the step-by-step process that you can use to get started using machine learning for predictive modeling on the R platform. The steps are practical and so simple that you could be able to build accurate predictive […]

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Do Not Use Random Guessing As Your Baseline Classifier

Last Updated on September 25, 2019 I recently received the following question via email: Hi Jason, quick question. A case of class imbalance: 90 cases of thumbs up 10 cases of thumbs down. How would we calculate random guessing accuracy in this case? We can answer this question using some basic probability (I opened excel and typed in some numbers). Kick-start your project with my new book Probability for Machine Learning, including step-by-step tutorials and the Python source code files for […]

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