Double correlation

{
  "id": "MLC-T-MET-005105",
  "term": "Double correlation",
  "field": "Meteorology and atmospheric science",
  "definition": "A graphical and statistical method used to check the consistency of a hydrological or climatological data record by comparing it with records from several other locations. The cumulative value of the station being checked is plotted against the cumulative value of a regional average or a highly correlated reference station. A change in the slope of the resulting line, known as a double-mass curve, indicates a potential inconsistency in the data, such as a change in instrumentation or observation practice.",
  "url": "https://mlchart.com/terminology/meteorology/double-correlation/"
}