{"product_id":"cotton-richard-testing-r-code-9780367782375","title":"Testing R Code","description":"Learn how to write R code with fewer bugs.\n\u003cbr\u003e\nThe 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.\n\u003cbr\u003e\nTesting 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.\n\u003cbr\u003e\nAfter 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!\n\u003cbr\u003e","brand":"Chapman and Hall\/CRC","offers":[{"title":"Default Title","offer_id":54613099970902,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9780367782375_1.jpg?v=1794544982","url":"https:\/\/www.momoxbooks.com\/products\/cotton-richard-testing-r-code-9780367782375","provider":"momox","version":"1.0","type":"link"}