Table 3.

Correlation between Δacc and dataset’s features

	Spearman’s ρ	Spearman’s ρp-value
n	-0.0338	6.00·10−1
p	0.331	1.32·10−7
$\frac{p}{n}$	0.254	6.39·10−5
d	0.258	4.55·10−5
$\frac{d}{n}$	0.246	1.04·10−4
p numeric	0.254	6.09·10−5
p categorical	-0.076	2.37·10−1
p numeric,rate	0.240	1.54·10−4
C max	0.00735	9.10·10−1