Arcsine square root transformation

{
  "id": "MLC-T-CHM-000767",
  "term": "Arcsine square root transformation",
  "field": "Chemistry",
  "definition": "A statistical data transformation applied to proportional data, such as percentages or fractions, to stabilize variance and normalize the distribution. This transformation converts the original proportion, p, into arcsin(sqrt(p)). It is often used before applying parametric statistical tests to data that are bounded between 0 and 1.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "population"
  ],
  "references": [
    "PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 840 (https://doi.org/10.1351/PAC-REC-08-07-09)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/arcsine-square-root-transformation/"
}