Posted on Wed 16 December 2015 in TDDA • Tagged with tdda, tools
Good tools for testing matter because the temptation to skimp on testing is real even for true believers: anything that reduces the friction and pain associated with actually adding tests therefore has a disproportionate effect on adoption and implementation rates.
I think there are several reasons the temptation to forego …
Continue readingPosted on Mon 14 December 2015 in TDDA • Tagged with tdda, errors, applicability
Everyone building predictive models or performing statistical fitting knows about overfitting. This arises when the function represented by the model includes components or aspects that are overly specific to the particularities of the sample data used for training the model, and that are not general features of datasets to which …
Continue readingWe have an overview piece in Predictive Analytics Times this week.
You can find it here.
Continue readingPosted on Tue 01 December 2015 in TDDA • Tagged with tdda, components
The fourth major area we will focus on as we develop the ideas of test-driven data analysis is the correctness of the broader process. This relates partly to some of the ideas about consistency checking discussed earlier, but goes further.
A common situation …
Continue readingPosted 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 …
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