Data matrix

{
  "id": "MLC-T-CHM-002864",
  "term": "Data matrix",
  "field": "Chemistry",
  "definition": "A rectangular array of numbers where rows represent observations or samples, and columns represent variables or features. Each element in the matrix corresponds to a specific measurement for a given sample and variable. This structure is widely used in chemometrics for organizing and processing multivariate analytical data.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "explanatory variable",
    "multi-way data"
  ],
  "references": [
    "PAC, 2016, 88, 407. 'Vocabulary of concepts and terms in chemometrics (IUPAC Recommendations 2016)' on page 409 (https://doi.org/10.1515/pac-2015-0605)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/data-matrix/"
}