Non-normal Capability | QualityFirst

Evaluate process performance using a fitted non-normal distribution. Review the selected model, its fit, expected nonconformance and process stability before interpreting the capability indices.

1. Data

Measurement data

CSV / XLSX file:

Upload a CSV, XLS or XLSX file and inspect the available measurement columns.

Manual data entry

Enter one value per line, or separate values using spaces or semicolons.

2. Study setup

Characteristic

Characteristic no:

Name:

Characteristic type:

Unit:

nominal:

Special characteristic:

Customer designation:

Specifications and model

Lsl:

Target:

Usl:

Distribution:

Capability method:

Sequential subgroup size:

Best fit ranks the available non-normal models by Anderson-Darling A². Ranking is not an acceptance decision; confirm the model using process knowledge.

Traceability

Part number:

Drawing number:

Drawing revision:

Drawing location:

Process operation:

Measurement method:

Gauge id: