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.. title: Great explanations and intuitions behind basic statistics concepts
.. slug: Great_explanations_and_intuitions_behind_basic_statistics_concepts
.. date: 2016-06-01 14:59:38 UTC+03:00
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Great explanations:

* on [covariance](http://stats.stackexchange.com/a/18200);
* on [correlation](http://stats.stackexchange.com/a/18089);
* on time series [stationarity](http://stats.stackexchange.com/a/19747);
* on rule of [unit root](http://stats.stackexchange.com/questions/29121/intuitive-explanation-of-unit-root?lq=1);