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Quality Control Charts in Python. Inspired by the R qcc package.

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py-qcc

Quality Control Charts in Python. Inspired by the R qcc package.

Planned features

Tools:

  • Reshape data table with value column and subgroup reference column (qcc_groups).

Charts for continuous variables:

  • x-bar for subgroup means.
  • R for subgroup ranges.
  • s for subgroup variance.
  • Individuals for single measurements.
  • Moving range for single measurements.

Charts for attributes:

  • p for proportion of nonconforming units.
  • np for number of nonconforming units.
  • c for nonconformities per unit.
  • u for average nonconformities per unit.

Other charts:

  • Operating characteristic.
  • Process capability.
  • Cusum.
  • EWMA.
  • Pareto.
  • Multivariate control charts.

Additional features:

  • Calibration data and subsequent new data.
  • Nelson and Western Electric rules.
  • Summary statistics.

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Quality Control Charts in Python. Inspired by the R qcc package.

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