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Table 3 MADIS Quality Control Descriptors (QCD)

From: Spatio-temporal quality control: implications and applications for data consumers and aggregators

QC Descriptor Description
Z Preliminary no QC
C Coarse pass passed level 1
S Screened passed levels 1 and 2
V Verified passed levels 1, 2, and 3
X Rejected/erroneous failed level 1
Q Questioned passed level 1, failed 2 or 3
G Subjective good “accept” list overrides other QC
B Subjective bad “reject” list overrides other QC
  1. level 1 = validity; level 2 = internal consistency, temporal consistency, statistical spatial consistency checks;
  2. level 3 = spatial consistency check
  3. Source [2]: