Correlations for all pairs of data series (method=pearson)
	Apple	Omzetgroei	Volume	Microsoft	NASDAQ	Inflatie	Cons_vertrouwen	Fed_funds_rate
Apple	1	0.436	0.441	0.516	0.532	-0.107	-0.566	-0.185
Omzetgroei	0.436	1	0.397	0.271	0.423	0.287	-0.161	-0.097
Volume	0.441	0.397	1	0.366	0.517	0.34	-0.087	0.353
Microsoft	0.516	0.271	0.366	1	0.815	0.335	0.196	0.404
NASDAQ	0.532	0.423	0.517	0.815	1	0.396	0.236	0.537
Inflatie	-0.107	0.287	0.34	0.335	0.396	1	0.397	0.531
Cons_vertrouwen	-0.566	-0.161	-0.087	0.196	0.236	0.397	1	0.734
Fed_funds_rate	-0.185	-0.097	0.353	0.404	0.537	0.531	0.734	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
Apple;Omzetgroei	0.4361	0.5093	0.3438
p-value	(0)	(0)	(0)
Apple;Volume	0.4412	0.6664	0.4607
p-value	(0)	(0)	(0)
Apple;Microsoft	0.5155	0.5546	0.4114
p-value	(0)	(0)	(0)
Apple;NASDAQ	0.5319	0.6525	0.5049
p-value	(0)	(0)	(0)
Apple;Inflatie	-0.1075	0.0366	0.0425
p-value	(0.2488)	(0.6951)	(0.4975)
Apple;Cons_vertrouwen	-0.5662	-0.382	-0.1945
p-value	(0)	(0)	(0.0019)
Apple;Fed_funds_rate	-0.1847	-0.1242	-0.0332
p-value	(0.0462)	(0.1822)	(0.5976)
Omzetgroei;Volume	0.3974	0.4542	0.3007
p-value	(0)	(0)	(0)
Omzetgroei;Microsoft	0.2706	0.3401	0.2228
p-value	(0.0032)	(2e-04)	(4e-04)
Omzetgroei;NASDAQ	0.4229	0.4501	0.2939
p-value	(0)	(0)	(0)
Omzetgroei;Inflatie	0.2873	0.3291	0.2259
p-value	(0.0017)	(3e-04)	(3e-04)
Omzetgroei;Cons_vertrouwen	-0.1614	-0.1972	-0.1372
p-value	(0.0821)	(0.0331)	(0.0298)
Omzetgroei;Fed_funds_rate	-0.0966	-0.0112	-0.0469
p-value	(0.3001)	(0.9042)	(0.4606)
Volume;Microsoft	0.3656	0.4169	0.2891
p-value	(1e-04)	(0)	(0)
Volume;NASDAQ	0.5174	0.6188	0.4453
p-value	(0)	(0)	(0)
Volume;Inflatie	0.3398	0.3906	0.2555
p-value	(2e-04)	(0)	(0)
Volume;Cons_vertrouwen	-0.0867	-0.0045	0.0066
p-value	(0.3526)	(0.9617)	(0.9156)
Volume;Fed_funds_rate	0.3531	0.3481	0.2131
p-value	(1e-04)	(1e-04)	(7e-04)
Microsoft;NASDAQ	0.8153	0.8266	0.6411
p-value	(0)	(0)	(0)
Microsoft;Inflatie	0.3351	0.3289	0.2289
p-value	(2e-04)	(3e-04)	(3e-04)
Microsoft;Cons_vertrouwen	0.1957	0.1957	0.1467
p-value	(0.0345)	(0.0345)	(0.0192)
Microsoft;Fed_funds_rate	0.4036	0.3714	0.2727
p-value	(0)	(0)	(0)
NASDAQ;Inflatie	0.3956	0.4597	0.311
p-value	(0)	(0)	(0)
NASDAQ;Cons_vertrouwen	0.2359	0.2508	0.1765
p-value	(0.0105)	(0.0064)	(0.0048)
NASDAQ;Fed_funds_rate	0.5372	0.5074	0.3449
p-value	(0)	(0)	(0)
Inflatie;Cons_vertrouwen	0.3968	0.3008	0.1894
p-value	(0)	(0.001)	(0.0025)
Inflatie;Fed_funds_rate	0.5306	0.5804	0.398
p-value	(0)	(0)	(0)
Cons_vertrouwen;Fed_funds_rate	0.734	0.7837	0.588
p-value	(0)	(0)	(0)