Correlations for all pairs of data series (method=pearson)
	time	logins	feedback	totsize	totblogs
time	1	0.663	0.704	0.668	0.766
logins	0.663	1	0.471	0.441	0.488
feedback	0.704	0.471	1	0.67	0.66
totsize	0.668	0.441	0.67	1	0.746
totblogs	0.766	0.488	0.66	0.746	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
time;logins	0.6631	0.7204	0.5413
p-value	(0)	(0)	(0)
time;feedback	0.7042	0.7182	0.5325
p-value	(0)	(0)	(0)
time;totsize	0.6683	0.726	0.5476
p-value	(0)	(0)	(0)
time;totblogs	0.7657	0.8149	0.6299
p-value	(0)	(0)	(0)
logins;feedback	0.471	0.5265	0.3737
p-value	(0)	(0)	(0)
logins;totsize	0.4406	0.5277	0.3709
p-value	(0)	(0)	(0)
logins;totblogs	0.4883	0.5898	0.4205
p-value	(0)	(0)	(0)
feedback;totsize	0.6702	0.6859	0.5009
p-value	(0)	(0)	(0)
feedback;totblogs	0.6602	0.6951	0.5077
p-value	(0)	(0)	(0)
totsize;totblogs	0.7456	0.7958	0.6229
p-value	(0)	(0)	(0)