Examples
Examples
Try the starting example
- Chronological free-travel readings JSON [elapsed day,travel mm]
- [[0,10],[10,11],[20,12]]
- Supplied lower limit (mm)
- 8
- Supplied upper limit (mm)
- 12
- Latest reading (mm)
- 12
- Observed OLS travel trend (mm/day)
- 0.1
- Reading limit flags [day,travel,status]
- [[0,10,"Within supplied limits"],[10,11,"Within supplied limits"],[20,12,"Within supplied limits"]]
- First-to-last change (mm)
- 2
Try another scenario
- Chronological free-travel readings JSON [elapsed day,travel mm]
- [[0,10],[10,12],[20,14]]
- Supplied lower limit (mm)
- 8
- Supplied upper limit (mm)
- 12
- Latest reading (mm)
- 14
- Observed OLS travel trend (mm/day)
- 0.2
- Reading limit flags [day,travel,status]
- [[0,10,"Within supplied limits"],[10,12,"Within supplied limits"],[20,14,"Above supplied limit"]]
- First-to-last change (mm)
- 4
Calculation method
Calculation method
Latest reading (mm)
Last chronological travel reading.
Observed OLS travel trend (mm/day)
Centered least-squares slope versus elapsed day.
Reading limit flags [day,travel,status]
Compare each measurement with inclusive user-supplied limits.
First-to-last change (mm)
last-first.
Symbols and units
- a
- Chronological free-travel readings JSON [elapsed day,travel mm]
- b
- Supplied lower limit (mm)
- c
- Supplied upper limit (mm)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- Measurement log only, no diagnosis, brake adjustment, serviceability or safety certification. Limits must come from the applicable supplied specification. Supported limits: 2..1000 increasing unique days>=0; travel>=0; lower<=upper; no equal day span.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.
Further reading
Background reading; this does not imply endorsement or independent review of SumFizz.