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Research Arrival Clock Precision Gap Tool

Calculate research arrival clock precision gap from explicit caller-supplied inputs.

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Description

width = latestArrival-earliestArrival; earliestOffset and latestOffset subtract referenceTime from the respective endpoints.

Training and research event times need synchronized origins, explicit clock corrections and stated boundary precision. A numeric response delay or overlap describes the supplied records and does not assess the quality or timing of emergency care.

width = latestArrival-earliestArrival; earliestOffset and latestOffset subtract referenceTime from the respective endpoints.

When to use this tool

Use Research Arrival Clock Precision Gap when checking a supplied simulation or research event-time convention.

How to use the tool and how it works

  1. Enter earliestArrival, latestArrival, referenceTime. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read width, earliestOffset, latestOffset. Use the output convention below.

Require latestArrival >= earliestArrival. width = latestArrival-earliestArrival; earliestOffset and latestOffset subtract referenceTime from the respective endpoints.1

Input fieldMeaning and unitsAccepted input
earliestArrivalEarliest ArrivalRequired. Finite number.
latestArrivalLatest ArrivalRequired. Finite number.
referenceTimeReference TimeRequired. Finite number.
Output fieldInterpretationReturned shape
widthWidthRequired. Finite number.
earliestOffsetEarliest OffsetRequired. Finite number.
latestOffsetLatest OffsetRequired. Finite number.
json
{
  "input": {
    "earliestArrival": 10,
    "latestArrival": 15,
    "referenceTime": 12
  },
  "output": {
    "width": 5,
    "earliestOffset": -2,
    "latestOffset": 3
  }
}

Limitations and assumptions

  • Use one time unit and clock basis. These are supplied deidentification or recording bounds, not a statistical confidence interval or verified arrival time.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Use the original synchronized event records and appropriate professional protocols for clinical interpretation or live decisions.

References

  1. Calculation and input contract: emergency-medicine/research-arrival-clock-precision-gap — tool.io

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