Correlations for all pairs of data series (method=pearson)
	time_in_rfc	shared_compendiums	blogged_computations	compendiums_reviewed	feedback_messages_p120	What_is_your_gender?
time_in_rfc	1	0.208	0.816	0.728	0.747	0.043
shared_compendiums	0.208	1	0.114	0.332	0.32	-0.138
blogged_computations	0.816	0.114	1	0.764	0.754	-0.034
compendiums_reviewed	0.728	0.332	0.764	1	0.927	-0.008
feedback_messages_p120	0.747	0.32	0.754	0.927	1	-0.032
What_is_your_gender?	0.043	-0.138	-0.034	-0.008	-0.032	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
time_in_rfc;shared_compendiums	0.208	0.2626	0.1916
p-value	(0.0062)	(5e-04)	(7e-04)
time_in_rfc;blogged_computations	0.8164	0.8561	0.6654
p-value	(0)	(0)	(0)
time_in_rfc;compendiums_reviewed	0.7282	0.7641	0.5715
p-value	(0)	(0)	(0)
time_in_rfc;feedback_messages_p120	0.7469	0.7812	0.5842
p-value	(0)	(0)	(0)
time_in_rfc;What_is_your_gender?	0.0426	0.032	0.0262
p-value	(0.5793)	(0.6765)	(0.6752)
shared_compendiums;blogged_computations	0.114	0.1638	0.1218
p-value	(0.1366)	(0.0318)	(0.032)
shared_compendiums;compendiums_reviewed	0.3322	0.2779	0.1975
p-value	(0)	(2e-04)	(6e-04)
shared_compendiums;feedback_messages_p120	0.3203	0.3072	0.225
p-value	(0)	(0)	(1e-04)
shared_compendiums;What_is_your_gender?	-0.1384	-0.1912	-0.1727
p-value	(0.0703)	(0.012)	(0.0124)
blogged_computations;compendiums_reviewed	0.7636	0.7737	0.582
p-value	(0)	(0)	(0)
blogged_computations;feedback_messages_p120	0.754	0.7566	0.5587
p-value	(0)	(0)	(0)
blogged_computations;What_is_your_gender?	-0.0343	-0.0351	-0.0289
p-value	(0.6553)	(0.6473)	(0.6459)
compendiums_reviewed;feedback_messages_p120	0.9268	0.9118	0.7727
p-value	(0)	(0)	(0)
compendiums_reviewed;What_is_your_gender?	-0.0077	0.0213	0.0177
p-value	(0.9201)	(0.7819)	(0.781)
feedback_messages_p120;What_is_your_gender?	-0.0323	-0.0209	-0.0172
p-value	(0.6742)	(0.7856)	(0.7847)