Correlations for all pairs of data series (method=kendall)
	totsize	paginaviews	tijd	logins	compendium_v	shared_c	reviewed_c
totsize	1	0.532	0.617	0.474	0.521	0.301	0.582
paginaviews	0.532	1	0.739	0.661	0.849	0.251	0.527
tijd	0.617	0.739	1	0.609	0.726	0.245	0.59
logins	0.474	0.661	0.609	1	0.614	0.208	0.453
compendium_v	0.521	0.849	0.726	0.614	1	0.248	0.502
shared_c	0.301	0.251	0.245	0.208	0.248	1	0.262
reviewed_c	0.582	0.527	0.59	0.453	0.502	0.262	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
totsize;paginaviews	0.6439	0.7212	0.5315
p-value	(0)	(0)	(0)
totsize;tijd	0.7462	0.8118	0.6171
p-value	(0)	(0)	(0)
totsize;logins	0.5364	0.6588	0.4742
p-value	(0)	(0)	(0)
totsize;compendium_v	0.6267	0.7135	0.5211
p-value	(0)	(0)	(0)
totsize;shared_c	0.3861	0.4032	0.3007
p-value	(0)	(0)	(0)
totsize;reviewed_c	0.7345	0.7899	0.5825
p-value	(0)	(0)	(0)
paginaviews;tijd	0.8928	0.9025	0.7387
p-value	(0)	(0)	(0)
paginaviews;logins	0.7588	0.845	0.6609
p-value	(0)	(0)	(0)
paginaviews;compendium_v	0.9625	0.9665	0.8489
p-value	(0)	(0)	(0)
paginaviews;shared_c	0.2972	0.341	0.2511
p-value	(0)	(0)	(0)
paginaviews;reviewed_c	0.6652	0.7185	0.5273
p-value	(0)	(0)	(0)
tijd;logins	0.716	0.7982	0.609
p-value	(0)	(0)	(0)
tijd;compendium_v	0.8925	0.8995	0.726
p-value	(0)	(0)	(0)
tijd;shared_c	0.2941	0.3296	0.2453
p-value	(0)	(0)	(0)
tijd;reviewed_c	0.758	0.7892	0.5899
p-value	(0)	(0)	(0)
logins;compendium_v	0.6919	0.8018	0.6142
p-value	(0)	(0)	(0)
logins;shared_c	0.2505	0.2795	0.2078
p-value	(0)	(0)	(0)
logins;reviewed_c	0.5488	0.6284	0.4525
p-value	(0)	(0)	(0)
compendium_v;shared_c	0.2821	0.3355	0.2476
p-value	(0)	(0)	(0)
compendium_v;reviewed_c	0.6377	0.6987	0.5025
p-value	(0)	(0)	(0)
shared_c;reviewed_c	0.3895	0.3511	0.2616
p-value	(0)	(0)	(0)