Table 2.

Descriptive statistics for data quality metrics in a developmental sample.

	File length	% Good channels	% ICs rejected	% Variance kept	Mean artifact probability	Median artifact probability
Mean	208.27	91.65	40.57	67.14	0.14	0.1
Std	125.45	5.29	12.4	16.75	0.05	0.07
25%	134	89.7	32.14	56.84	0.11	0.05
50%	166	92.3	40.54	68.98	0.14	0.09
75%	264	94.87	48.65	79.09	0.18	0.14

Sample size for the dataset is 867 EEG files. For each metric, the mean value (mean), standard deviation (std), and values corresponding to the 25th, 50th, and 75th percentile are given.