Table 1. Quality indicators after peak integration and averaging using XDS (Kabsch, 2010 ▸).

The lysozyme (HEWL) dataset was provided by Dectris for advertising their Eiger 4M detector (Dectris, 2014 ▸).

	Initial dataset			Lossy compressed dataset (2σ)
Indicator	2.91 Å	2.06 Å	All	2.91 Å	2.06 Å	All
Completeness	98.8	90.8	93.8%	99.8	90.6	93.5%
	9.9	57.3	12.5%	9.2	61.2	11.4%
R expected	8.8	73.2	15.0%	8.2	68.7	12.1%
R meas †	10.3	61.2	13.2%	9.6	65.5	12.0%
CC1/2‡	99.7	94.0	99.7	99.6	95.4	99.7
〈I/σ〉	25.80	5.39	10.52	26.33	4.09	10.17

^†Diederichs & Karplus (1997 ▸).

^‡Karplus & Diederichs (2012 ▸).