Description
Return effect/standardError as statistic and zeroEffect when estimate-nullValue is exactly zero.
A statistical term depends on its data summaries, weighting convention, centering, denominator, and boundary rules. A contribution, derivative, domain check, or converted summary answers a narrower question than a complete estimator. Those conventions must match before terms are combined or compared.
Return effect/standardError as statistic and zeroEffect when estimate-nullValue is exactly zero.
When to use this tool
Use Student T Statistic Zero Effect Point when you need this specific summary conversion, contribution, domain rule, or sensitivity term with matching statistical conventions.
How to use the tool and how it works
- Enter estimate, nullValue, standardError. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read statistic, zeroEffect. Inspect zeroEffect before interpreting the associated values.
Return effect/standardError as statistic and zeroEffect when estimate-nullValue is exactly zero. Require positive standardError.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| estimate | Estimate | Required. Finite number. |
| nullValue | Null Value | Required. Finite number. |
| standardError | Standard Error | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| statistic | Statistic | Required. Finite number. |
| zeroEffect | Zero Effect | Required. Boolean. |
{
"input": {
"estimate": 5,
"nullValue": 3,
"standardError": 0.5
},
"output": {
"statistic": 4,
"zeroEffect": false
}
}Limitations and assumptions
- The effect and error need the same units. This term does not estimate error, choose degrees of freedom, compute a p-value, or establish statistical or practical significance.
- The field tables state structural bounds; the mechanics also specify cross-field constraints. Malformed inputs and unsupported domains cause errors. A successful false flag, empty branch value, or zero placeholder has the meaning stated above and is distinct from an input error.
- 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. Signed zero is exported as zero.
Alternative or Complementary methods
Use a complete estimator or model when a contribution, sensitivity, or domain check is insufficient. Verify the weight semantics, centering, denominator, and sampling assumptions before combining summaries.
References
Similar or alternative tools
- Sample Variance One Point Deletion Term
Remove one observation from count, mean, and centered sum m2, update the mean, and subtract its centered contribution.
- Arithmetic Geometric Mean Gap Two Values
Return arithmetic=(left+right)/2, geometric=sqrt(left)*sqrt(right), and gap=arithmetic-geometric for nonnegative inputs.