Description
Subtract planned from actual for each aligned nonnegative lead-time pair, sum totalError, and divide by positive observation count for signedBias.
A logistics record separates ordered, reserved, dispatched, received, lost, and available quantities. It can also distinguish volume, mass, packaging, and cost bases. A balance or ratio checks supplied records and assumptions without verifying physical inventory, a contract, or safe loading.
Subtract planned from actual for each aligned nonnegative lead-time pair, sum totalError, and divide by positive observation count for signedBias.
When to use this tool
Use Lead Time Bias Component when you need the particular supplied count, loading-budget, timing, or cost term in a logistics record.
How to use the tool and how it works
- Enter actualLeadTimes, plannedLeadTimes. Keep parallel arrays aligned. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read signedBias, totalError, observations. Use the output convention below.
Subtract planned from actual for each aligned nonnegative lead-time pair, sum totalError, and divide by positive observation count for signedBias.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| actualLeadTimes | Actual Lead Times | Required. Array of finite number; maximum items 256. |
| plannedLeadTimes | Planned Lead Times | Required. Array of finite number; maximum items 256. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| signedBias | Signed Bias | Required. Finite number. |
| totalError | Total Error | Required. Finite number. |
| observations | Observations | Required. Safe integer. |
{
"input": {
"actualLeadTimes": [
10,
14,
12
],
"plannedLeadTimes": [
8,
12,
13
]
},
"output": {
"signedBias": 1,
"totalError": 3,
"observations": 3
}
}Limitations and assumptions
- Positive bias means longer actual lead time. This descriptive mean does not predict future delays, account for uncertainty, or identify causes or supplier performance obligations.
- 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
Check the original stock, shipment, measurement, and contract records before acting on a balance. A full packing, routing, procurement, or load assessment may require more than the returned term.
References
Similar or alternative tools
- Lead Time Demand One Period Term
Calculate leadTimeDemand=dailyDemand*leadDays, protectionDemand=dailyDemand*(leadDays+reviewDays), and targetStock=protectionDemand+safetyStock.
- Backorder Partial Delivery Balance
Return backorder=ordered-delivered-canceled and unallocated=backorder-allocated after feasible nonnegative integer count checks.