Posted on Categories Administrativia, Practical Data Science, Pragmatic Data Science, Pragmatic Machine Learning, TutorialsTags , , , Leave a comment on Data engineering and data shaping in Practical Data Science with R 2nd Edition

Data engineering and data shaping in Practical Data Science with R 2nd Edition

A kind reader recently shared the following comment on the Practical Data Science with R 2nd Edition live-site.

Thanks for the chapter on data frames and data.tables. It has helped me overcome an obstacle freeing me from a lot of warnings telling me my data table was not a real . It reduced the calculation time for a scenario in modelStudio from 30 minutes to 7 minutes. Following the advice in your book is helping me a lot with understanding R and the models you can create with R: Thanks

This is exactly what we were hoping for when we added Chapter 5 Data engineering and data shaping to the 2nd edition of the book. The chapter is organized by data manipulation task (what you are trying to do, or your sub-goal) and then teaches the mere methodology in base-R, data.table, and dplyr. The hope was: a Rosetta Stone of data manipulation solutions, that would help many readers- and not lock them into any one notation.

Posted on Categories Administrativia, Opinion, TutorialsTags , , Leave a comment on General Data Science Means Cross-Language Tools, Training, and Documentation

General Data Science Means Cross-Language Tools, Training, and Documentation

Data science is often a case of brining the tools to the problems and data, instead of insisting on bringing the problems and data to the tools.

To support cross-language data science we have been working on cross-language tools, documentation, and training.

Continue reading General Data Science Means Cross-Language Tools, Training, and Documentation

Posted on Categories AdministrativiaTags , Leave a comment on Deal of the Day May 10: Half off Practical Data Science with R, Second Edition

Deal of the Day May 10: Half off Practical Data Science with R, Second Edition

Deal of the Day May 10: Half off Practical Data Science with R, Second Edition. Use code dotd051020au at https://bit.ly/2xLRPCk

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