Degree of freedom

{
  "id": "MLC-T-ENV-007543",
  "term": "Degree of freedom",
  "field": "Environment",
  "term_source": "Degree of Freedom",
  "definition": "The total number of items in a sample minus the number of independent relationships existing among them; the divisor used to calculate a variance term; in the simplest cases, it is one less than the number of observations. Degrees of freedom refers to how many variables in a single system are free to vary independently. Degrees of freedom may by none {0} or many. A single variable algebraic equation has no degrees of freedom.",
  "subject": "Measurements",
  "references": [
    "EPA Office of Research and Development; Forum on Environmental Measurements (FEM) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/degree-of-freedom/"
}