Description
Compare supplied bench assay blank/gain corrections without determining assay acceptance or clinical significance.
Quality records separate measured results, reference values, acceptance rules, and supporting evidence. Arithmetic consistency and record coverage can be checked against supplied criteria without establishing traceability, approving a method, or deciding product conformity.
Compare supplied bench assay blank/gain corrections without determining assay acceptance or clinical significance.
When to use this tool
Use it for assay system blank residual when the required inputs and conventions are already available.
How to use the tool and how it works
- Enter sampleSignal, systemBlank, referenceNetSignal, suppliedGain. Use the stated units and boundary conventions.
- Run the calculation. Correct any input error before interpreting a result.
- Read correctedSignal, residual. Inspect any known, defined, inclusion, or boundary flags before interpreting numeric values.
Require positive suppliedGain. Compute correctedSignal=(sampleSignal-systemBlank)*suppliedGain and residual=correctedSignal-referenceNetSignal.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| sampleSignal | Sample Signal | Required. Finite number. |
| systemBlank | System Blank | Required. Finite number. |
| referenceNetSignal | Reference Net Signal | Required. Finite number. |
| suppliedGain | Supplied Gain | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| correctedSignal | Corrected Signal | Required. Finite number. |
| residual | Residual | Required. Finite number. |
{
"input": {
"sampleSignal": 12,
"systemBlank": 2,
"referenceNetSignal": 18,
"suppliedGain": 2
},
"output": {
"correctedSignal": 20,
"residual": 2
}
}Limitations and assumptions
- The reference must already use the corrected signal basis. This does not estimate gain or blank, fit a calibration, or determine a method acceptance limit.
- The field tables describe structural bounds; the mechanics also state cross-field requirements. Malformed input shapes, disallowed keys, and invalid domains cause input errors. Results must remain finite and within the declared output contract. A successful false flag or zero placeholder is distinct from an error.
- Numeric arithmetic uses binary floating point. Exact comparisons have no hidden tolerance or decimal rounding; negative zero is exported as zero. Decimal-text integer operations retain the exactness specifically stated above.
Alternative or Complementary methods
For assay system blank residual, check the source records and the supplied rule before comparing the result with another method. Use a separate evidence or method review when arithmetic consistency alone cannot establish the required conclusion.
References
Similar or alternative tools
- Assay Reference Source Gap
Calculate assay reference source gap from explicit caller-supplied inputs.
- Blank Correction Sign Term
Calculate blank correction sign term from explicit caller-supplied inputs.