Description
Compare summed member equivalence weights with a reference.
Demographic support and equivalence ratios depend on age cutoffs, participation and supplied household or consumer weights. Weighted population quantities describe the chosen accounting basis rather than actual needs or social value.
Compare summed member equivalence weights with a reference.
When to use this tool
Use Household Equivalence Weight Gap when checking a supplied demographic classification or weighting convention.
How to use the tool and how it works
- Enter memberWeights, referenceHouseholdWeight. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read equivalentMembers, weightGap. Use the output convention below.
Compare summed member equivalence weights with a reference. Require nonnegative memberWeights/referenceHouseholdWeight; equivalentMembers is the sum and weightGap subtracts reference.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| memberWeights | Member Weights | Required. Array of finite number; minimum 0; maximum items 256. |
| referenceHouseholdWeight | Reference Household Weight | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| equivalentMembers | Equivalent Members | Required. Finite number. |
| weightGap | Weight Gap | Required. Finite number. |
{
"input": {
"memberWeights": [
1,
0.5,
0.3
],
"referenceHouseholdWeight": 2
},
"output": {
"equivalentMembers": 1.8,
"weightGap": -0.19999999999999996
}
}Limitations and assumptions
- Weights may be fractional; no household composition, scale validity or benefit eligibility is inferred.
- 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 documented population definitions and appropriate empirical weights for complete demographic or household analysis.
References
Similar or alternative tools
- Household Equivalence Component Term
Return one household-equivalence component.
- Household Scale Economy Caller Exponent
Return household equivalence scale and adjusted income.