By the way, related to my last post on wide and dense data , an important example of analysis of data that are both wide and dense is the hi...
The Action is in Wide and/or Dense Data
I recently blogged on varieties of Big Data : (1) tall, (2) wide, and (3) dense. Presumably tall data are the least interesting insofar as t...
The HAC Emperor has no Clothes: Part 2
The time-series kernel-HAC literature seems to have forgotten about pre-whitening. But most of the action is in the pre-whitening, as stress...
Contemporaneous, Independent, and Complementary
You've probably been in a situation where you and someone else discovered something "contemporaneously and independently". Des...
DAG Software
Some time ago I mentioned the DAG (directed acyclical graph) primer by Judea Pearl et al. As noted in Pearl's recent blog post , a m...
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