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	Commit message (Collapse)	Author	Age
*	added covariance matrix calculation	wukong	2018-06-17
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*	bumped up number of printed digits	wukong	2018-06-16
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*	added improvements from diff to diff1; increased number of digits printed in ↵	wukong	2018-06-16
\| \| \| \|	diff, diff1, lin_reg, lin_reg1, and lin_reg2;
*	added shebang, replaced if-elses with shortcut notation, ported online mean ↵	wukong	2018-06-13
\| \| \| \|	and variance calc to mean.awk
*	Small merges for code consistency.	wukong	2018-06-06
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*	re-init	wukong	2018-06-05