Correlations for all pairs of data series (method=pearson)
	time_in_rfc	logins	shared_compendiums	blogged_computations	feedback_messages_p120	compendiums_reviewed
time_in_rfc	1	0.716	0.294	0.831	0.769	0.758
logins	0.716	1	0.25	0.566	0.546	0.549
shared_compendiums	0.294	0.25	1	0.238	0.402	0.389
blogged_computations	0.831	0.566	0.238	1	0.774	0.762
feedback_messages_p120	0.769	0.546	0.402	0.774	1	0.918
compendiums_reviewed	0.758	0.549	0.389	0.762	0.918	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
time_in_rfc;logins	0.716	0.7982	0.609
p-value	(0)	(0)	(0)
time_in_rfc;shared_compendiums	0.2941	0.3296	0.2453
p-value	(0)	(0)	(0)
time_in_rfc;blogged_computations	0.8309	0.8717	0.683
p-value	(0)	(0)	(0)
time_in_rfc;feedback_messages_p120	0.7689	0.8052	0.6046
p-value	(0)	(0)	(0)
time_in_rfc;compendiums_reviewed	0.758	0.7892	0.5899
p-value	(0)	(0)	(0)
logins;shared_compendiums	0.2505	0.2795	0.2078
p-value	(0)	(0)	(0)
logins;blogged_computations	0.5661	0.7178	0.523
p-value	(0)	(0)	(0)
logins;feedback_messages_p120	0.5462	0.6166	0.4437
p-value	(0)	(0)	(0)
logins;compendiums_reviewed	0.5488	0.6284	0.4525
p-value	(0)	(0)	(0)
shared_compendiums;blogged_computations	0.238	0.2759	0.2074
p-value	(0)	(0)	(0)
shared_compendiums;feedback_messages_p120	0.4019	0.3753	0.278
p-value	(0)	(0)	(0)
shared_compendiums;compendiums_reviewed	0.3895	0.3511	0.2616
p-value	(0)	(0)	(0)
blogged_computations;feedback_messages_p120	0.7739	0.7791	0.577
p-value	(0)	(0)	(0)
blogged_computations;compendiums_reviewed	0.7623	0.7722	0.574
p-value	(0)	(0)	(0)
feedback_messages_p120;compendiums_reviewed	0.9182	0.9067	0.7707
p-value	(0)	(0)	(0)