Autocorrelation

{
  "id": "MLC-T-CHM-000964",
  "term": "Autocorrelation",
  "field": "Chemistry",
  "definition": "A mathematical measure of the similarity between a signal and a delayed version of itself as a function of the delay. It quantifies the degree of linear dependence between observations in a time series. This statistical tool is widely used in signal processing and time series analysis to identify repeating patterns or periodicities.",
  "subject": "Analytical Chemistry",
  "references": [
    "PAC, 2016, 88, 407. 'Vocabulary of concepts and terms in chemometrics (IUPAC Recommendations 2016)' on page 408 (https://doi.org/10.1515/pac-2015-0605)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/autocorrelation/"
}