Posted on Sat 28 November 2015 in TDDA • Tagged with tdda, components
The third major idea in test-driven data analysis is the one most directly taken from test-driven development, namely systematically developing both unit tests for small components of the analytical process and carefully constructed, specific tests for the whole system or larger components …
Continue readingPosted on Thu 26 November 2015 in TDDA • Tagged with tdda, components
While the idea of regression testing comes straight from test-driven development, the next idea we want to discuss is associated more with general defensive progamming than TDD. The idea is consistency checking, i.e. verifying that what might otherwise be implicit assumptions are …
Continue readingPosted on Fri 13 November 2015 in TDDA • Tagged with tdda, implementation, interpretation, correctness
"Why is this lying bastard lying to me?"
Louis Heren,1 often attributed to Jeremy Paxman.
In a previous post, we made a distinction between two kinds of errors—implementation errors and errors of interpretation. I want to amplify that today, focusing specifically on interpretation.
The most important question to …
Continue readingPosted on Thu 05 November 2015 in TDDA • Tagged with questions, tdda, tdd
OK, everything you need to know about TeX has been explained—unless you happen to be fallible. If you don't plan to make any errors, don't bother to read this chapter.
— The TeXbook, Chapter 27, Recovery from Errors. Donald E. Knuth.1
The concept of test-driven data analysis seeks to …
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