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Compute Youden's J statistic for a candidate threshold

Compute Youden's J statistic for a candidate threshold.

Runnable This tool can run, but independent engineering verification has not been established.

Quick Answer

The compute youden's j statistic for a candidate threshold computes youdens_j from the input values you provide.

Calculator

youdens_j (dimensionless)
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Result Interpretation

Compute Youden's J statistic for a candidate threshold computes youdens_j in dimensionless using the defined engineering formula and the input values provided. youdens_j is expressed in dimensionless. No universal acceptance threshold is defined by this calculator.

Worked Example

default_test

Given:

  • se = 0.5
  • sp = 0.5

Expected Result:

  • youdens_j = 0

Engineering Interpretation:

Under the given input conditions, the calculated result is: youdens_j = 0 dimensionless.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.

Formula / Method

youdens_j = se+sp-1

youdens_j.

Variables

SymbolLabelRoleDescription
se se INPUT se
sp sp INPUT sp
youdens_j youdens_j OUTPUT youdens_j

Calculation Steps

  1. Enter the se in dimensionless.
  2. Enter the sp in dimensionless.
  3. Read the youdens_j (dimensionless) from the results.

Frequently Asked Questions

What does this calculator calculate?

The Compute Youden's J statistic for a candidate threshold estimates youdens_j based on the input parameters you provide

Why is se important in this calculation?

se is directly proportional to youdens_j. When you enter se in dimensionless, the calculator uses it in the engineering formula to compute the output

How should I interpret the result youdens_j?

The calculator outputs youdens_j in dimensionless. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: se (dimensionless), sp (dimensionless). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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