{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/engineering.conformity.normalized_error.input.json",
  "title": "Normalized error En — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "ylab": {
      "type": "number",
      "description": "Laboratory / participant result. Aliases: y, x."
    },
    "xref": {
      "type": "number",
      "description": "Assigned or reference value. Aliases: X, ref."
    },
    "Ulab": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Already-expanded uncertainty of ylab. Alias: U_lab."
    },
    "Uref": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Already-expanded uncertainty of xref. Alias: U_ref."
    }
  },
  "required": [
    "ylab",
    "xref",
    "Ulab",
    "Uref"
  ],
  "description": "Proficiency-testing En = (ylab−xref)/√(Ulab²+Uref²). |En| ≤ 1 is pass (ISO 13528 / ISO/IEC 17043). Ulab and Uref are already expanded. Not zeta, not TUR, and not an ILAC G8 spec decision. (calculation_version 1.0.0)"
}