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Testing R Code - Chapman & Hall / CRC The R Series Richard Cotton 1. izdevums
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Testing R Code - Chapman & Hall / CRC The R Series
Richard Cotton
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!
190 pages, 10 black & white illustrations
| Mediji | Grāmatas Hardcover Book (Grāmata ar cieto muguriņu un vāku) |
| Izlaists | 2017. gada 19. janvāris |
| ISBN13 | 9781498763653 |
| Izdevēji | Taylor & Francis Inc |
| Lapas | 196 |
| Izmēri | 161 × 243 × 16 mm · 432 g |
| Valoda | Angļu |
