Correlations for all pairs of data series (method=pearson)
	totsize	blogged_computations	compendium_views_info	Sum_test	feedback_messages_p1	feedback_messages_p120	pageviews	totseconds
totsize	1	0.76	0.627	0.191	0.735	0.755	0.644	0.823
blogged_computations	0.76	1	0.749	0.155	0.768	0.774	0.761	0.84
compendium_views_info	0.627	0.749	1	0.174	0.632	0.641	0.962	0.738
Sum_test	0.191	0.155	0.174	1	0.137	0.154	0.198	0.103
feedback_messages_p1	0.735	0.768	0.632	0.137	1	0.94	0.664	0.735
feedback_messages_p120	0.755	0.774	0.641	0.154	0.94	1	0.671	0.743
pageviews	0.644	0.761	0.962	0.198	0.664	0.671	1	0.743
totseconds	0.823	0.84	0.738	0.103	0.735	0.743	0.743	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
totsize;blogged_computations	0.7605	0.7962	0.6059
p-value	(0)	(0)	(0)
totsize;compendium_views_info	0.6267	0.7135	0.5211
p-value	(0)	(0)	(0)
totsize;Sum_test	0.1913	0.2033	0.1423
p-value	(0.1268)	(0.1043)	(0.1121)
totsize;feedback_messages_p1	0.735	0.7907	0.5799
p-value	(0)	(0)	(0)
totsize;feedback_messages_p120	0.7553	0.8089	0.6106
p-value	(0)	(0)	(0)
totsize;pageviews	0.6439	0.7212	0.5315
p-value	(0)	(0)	(0)
totsize;totseconds	0.8232	0.8415	0.6567
p-value	(0)	(0)	(0)
blogged_computations;compendium_views_info	0.7489	0.8051	0.6045
p-value	(0)	(0)	(0)
blogged_computations;Sum_test	0.1553	0.211	0.1566
p-value	(0.2168)	(0.0916)	(0.0812)
blogged_computations;feedback_messages_p1	0.7676	0.7767	0.573
p-value	(0)	(0)	(0)
blogged_computations;feedback_messages_p120	0.7739	0.7791	0.577
p-value	(0)	(0)	(0)
blogged_computations;pageviews	0.7606	0.8249	0.6272
p-value	(0)	(0)	(0)
blogged_computations;totseconds	0.8401	0.8676	0.6852
p-value	(0)	(0)	(0)
compendium_views_info;Sum_test	0.1742	0.1861	0.1332
p-value	(0.1653)	(0.1377)	(0.1374)
compendium_views_info;feedback_messages_p1	0.6325	0.693	0.4942
p-value	(0)	(0)	(0)
compendium_views_info;feedback_messages_p120	0.6414	0.6996	0.5037
p-value	(0)	(0)	(0)
compendium_views_info;pageviews	0.9625	0.9665	0.8489
p-value	(0)	(0)	(0)
compendium_views_info;totseconds	0.7384	0.7891	0.5947
p-value	(0)	(0)	(0)
Sum_test;feedback_messages_p1	0.1367	0.1821	0.1224
p-value	(0.2774)	(0.1466)	(0.1739)
Sum_test;feedback_messages_p120	0.1535	0.198	0.138
p-value	(0.2221)	(0.1139)	(0.1255)
Sum_test;pageviews	0.1978	0.2016	0.1454
p-value	(0.1141)	(0.1073)	(0.1046)
Sum_test;totseconds	0.1029	0.1381	0.093
p-value	(0.4146)	(0.2725)	(0.2992)
feedback_messages_p1;feedback_messages_p120	0.9396	0.9335	0.7989
p-value	(0)	(0)	(0)
feedback_messages_p1;pageviews	0.6643	0.7129	0.5187
p-value	(0)	(0)	(0)
feedback_messages_p1;totseconds	0.7349	0.7654	0.5545
p-value	(0)	(0)	(0)
feedback_messages_p120;pageviews	0.6713	0.7121	0.5211
p-value	(0)	(0)	(0)
feedback_messages_p120;totseconds	0.7426	0.7815	0.5786
p-value	(0)	(0)	(0)
pageviews;totseconds	0.743	0.792	0.6032
p-value	(0)	(0)	(0)