Correlations for all pairs of data series (method=pearson)
	Geslacht	Time_in_RFC	Logins	Blogged_computations	Reviewed_compendiums
Geslacht	1	0.072	0.069	0.07	0.073
Time_in_RFC	0.072	1	0.773	0.793	0.656
Logins	0.069	0.773	1	0.684	0.517
Blogged_computations	0.07	0.793	0.684	1	0.655
Reviewed_compendiums	0.073	0.656	0.517	0.655	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
Geslacht;Time_in_RFC	0.0715	0.0554	0.0454
p-value	(0.3941)	(0.5097)	(0.5078)
Geslacht;Logins	0.0693	0.0373	0.0308
p-value	(0.4092)	(0.657)	(0.6554)
Geslacht;Blogged_computations	0.0699	0.0665	0.055
p-value	(0.4049)	(0.4287)	(0.4268)
Geslacht;Reviewed_compendiums	0.0729	0.053	0.0443
p-value	(0.3851)	(0.5284)	(0.5265)
Time_in_RFC;Logins	0.7727	0.7424	0.5728
p-value	(0)	(0)	(0)
Time_in_RFC;Blogged_computations	0.7931	0.7751	0.5991
p-value	(0)	(0)	(0)
Time_in_RFC;Reviewed_compendiums	0.6555	0.5928	0.439
p-value	(0)	(0)	(0)
Logins;Blogged_computations	0.6843	0.7058	0.5316
p-value	(0)	(0)	(0)
Logins;Reviewed_compendiums	0.5173	0.4781	0.3478
p-value	(0)	(0)	(0)
Blogged_computations;Reviewed_compendiums	0.6552	0.5593	0.4185
p-value	(0)	(0)	(0)