Название: Testing R Code Автор: Richard Cotton Издательство: Chapman and Hall/CRC ISBN: 1498763650 Год: 2017 Страниц: 196 Язык: английский Формат: epub, rtf, pdf Размер: 10.0 MB
Learn how to write R code with fewer bugs.
The problem with programming is that you are always one typo away from writing something silly. Likewise with data analysis, a small mistake in your model can lead to a big mistake in your results. Combining the two disciplines means that it is all too easy for a missed minus sign to generate a false prediction that you don’t spot until it’s too late. Testing is the only way to be sure that your code, and your results, are correct.
Testing R Code teaches you how to perform development-time testing using the testthat package, allowing you to ensure that your code works as intended. The book also teaches run-time testing using the assertive package; enabling your users to correctly run your code.
After beginning with an introduction to testing in R, the book explores more advanced cases such as integrating tests into R packages; testing code that accesses databases; testing C++ code with Rcpp; and testing graphics. Each topic is explained with real-world examples, and has accompanying exercises for readers to practise their skills — only a small amount of experience with R is needed to get started!
Arduino TIAN Development Workshop (+code) Название: Arduino TIAN Development Workshop (+code) Автор: Agus Kurniawan Издательство: PE Press Год: 2017 Страниц: 121 Формат: EPUB, PDF (conv)...
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Testing R Code 
Название: Testing R Code 
