R package qcr. Allows to generate Shewhart-type charts and to obtain numerical results of interest for a process quality control (involving continuous, attribute or count data). This package provides basic functionality for univariable and multivariable quality control analysis, including: xbar, xbar-one, S, R, ewna, cusum, mewna, mcusum and T2 charts. Additionally have nonparametric control charts multivariate. Parametric and nonparametric Process Capability Indices.

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