Correlations for all pairs of data series (method=kendall)
	shake_off_blues	I_felt_depressed	I_felt_sad	everything_was_effort	trouble_mind	I_enjoyed_life	sleep_restless
shake_off_blues	1	0.566	0.502	0.349	0.261	-0.376	0.324
I_felt_depressed	0.566	1	0.622	0.381	0.302	-0.491	0.224
I_felt_sad	0.502	0.622	1	0.381	0.31	-0.48	0.296
everything_was_effort	0.349	0.381	0.381	1	0.331	-0.356	0.261
trouble_mind	0.261	0.302	0.31	0.331	1	-0.269	0.215
I_enjoyed_life	-0.376	-0.491	-0.48	-0.356	-0.269	1	-0.213
sleep_restless	0.324	0.224	0.296	0.261	0.215	-0.213	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
shake_off_blues;I_felt_depressed	0.6461	0.6067	0.5657
p-value	(0)	(0)	(0)
shake_off_blues;I_felt_sad	0.6002	0.5453	0.5016
p-value	(0)	(0)	(0)
shake_off_blues;everything_was_effort	0.4207	0.3887	0.3494
p-value	(0)	(0)	(0)
shake_off_blues;trouble_mind	0.305	0.2912	0.2605
p-value	(2e-04)	(4e-04)	(4e-04)
shake_off_blues;I_enjoyed_life	-0.419	-0.4213	-0.3761
p-value	(0)	(0)	(0)
shake_off_blues;sleep_restless	0.3981	0.3619	0.3241
p-value	(0)	(0)	(0)
I_felt_depressed;I_felt_sad	0.7361	0.6549	0.6223
p-value	(0)	(0)	(0)
I_felt_depressed;everything_was_effort	0.4319	0.4205	0.3807
p-value	(0)	(0)	(0)
I_felt_depressed;trouble_mind	0.3408	0.3371	0.3024
p-value	(0)	(0)	(0)
I_felt_depressed;I_enjoyed_life	-0.5426	-0.5288	-0.4911
p-value	(0)	(0)	(0)
I_felt_depressed;sleep_restless	0.3269	0.2476	0.2241
p-value	(1e-04)	(0.0029)	(0.0025)
I_felt_sad;everything_was_effort	0.4471	0.424	0.3811
p-value	(0)	(0)	(0)
I_felt_sad;trouble_mind	0.3615	0.3475	0.3095
p-value	(0)	(0)	(0)
I_felt_sad;I_enjoyed_life	-0.4954	-0.5188	-0.4799
p-value	(0)	(0)	(0)
I_felt_sad;sleep_restless	0.3749	0.3309	0.2961
p-value	(0)	(1e-04)	(1e-04)
everything_was_effort;trouble_mind	0.3616	0.3753	0.3306
p-value	(0)	(0)	(0)
everything_was_effort;I_enjoyed_life	-0.3496	-0.4015	-0.3565
p-value	(0)	(0)	(0)
everything_was_effort;sleep_restless	0.2914	0.2962	0.2607
p-value	(4e-04)	(3e-04)	(3e-04)
trouble_mind;I_enjoyed_life	-0.3008	-0.3108	-0.2691
p-value	(3e-04)	(2e-04)	(2e-04)
trouble_mind;sleep_restless	0.2679	0.2522	0.2148
p-value	(0.0012)	(0.0024)	(0.0026)
I_enjoyed_life;sleep_restless	-0.2485	-0.2401	-0.2126
p-value	(0.0028)	(0.0039)	(0.0036)