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. To test this code with testthat we create another file for tests the name of the file should begin with test so that testthat can recognize it as a file of test code so let name the file containing the code above real rootsr and the file containing its tests test real rootsr the test file needs to read in the file being tested source . Use promo code ria38 for a 38 discount t tests the ttest function produces a variety of t tests unlike most statistical packages the default assumes unequal variance and applies the welsh df modification independent 2 group t test ttestyx where y is numeric and x is a binary factor. Unit testing with r march 30 2016 by bruno rodrigues this article was first published on econometrics and free software and kindly contributed to r bloggers share tweet lets create a script called test fibor and write the following code in it test thattest fibo
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