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They're testing understanding for the learning set, but applying a correlation to estimate understanding on the test set.
by jgtrosh 7y ago
They're testing understanding for the learning set, but applying a correlation to estimate understanding on the test set.
- TrinaryWorksToo 7y agoWhat is scientific causation but correlation that works to an acceptable quantity of Sigma?
- Nasrudith 7y agoCausation also implies well sequential causality in some way and reproducibility. A subtle but crucial difference. If most people on the battlefield are covered in their own blood will soon die that doesn't mean gathering a gallon of a person's own blood through several donations and then throwing it at them at a Gettysburg musuem will kill them.
- mannykannot 7y agoAs Feynman discussed in "The Character of Physical Law", there is more to it than that, but I think one can say that the empirical evidence underpinning all science can be characterized as correlation that passes various statistical tests.
- krisrm 7y agoCausal studies need to control for confounding variables, for one. There are all sorts of spurious non causal correlations with low p values.