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qcc (version 2.2)

Quality Control Charts

Description

Shewhart quality control charts for continuous, attribute and count data. Cusum and EWMA charts. Operating characteristic curves. Process capability analysis. Pareto chart and cause-and-effect chart. Multivariate control charts.

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Version

Install

install.packages('qcc')

Monthly Downloads

13,321

Version

2.2

License

GPL (>= 2)

Maintainer

Luca Scrucca

Last Published

September 30th, 2011

Functions in qcc (2.2)

EWMA smoothing function

Circuit boards data

Multivariate Quality Control Charts

Operating Characteristic Function

cause.and.effect

Cause and effect diagram

Quality Control Charts

Personal computer manufacturer data

process.capability

Process capability analysis

Internal 'qcc' functions

Statistics used in computing and drawing a Shewhart p chart

Orange juice data

Statistics used in computing and drawing a Shewhart R chart

Orange juice data -- Part 2

Statistics used in computing and drawing a Shewhart np chart

Statistics used in computing and drawing a Shewhart xbar chart

Multivariate Quality Control Charts

Bolier temperature data

Piston rings data

Dyed cloth data

qcc.overdispersion.test

Overdispersion test for binomial and poisson data

Functions specifying rules for Shewhart charts

Functions to plot Shewhart S chart

Statistics used in computing and drawing a Shewhart u chart

Quality Control Charts

Statistics used in computing and drawing a Shewhart xbar chart for one-at-time data

Statistics used in computing and drawing a Shewhart g chart

stats.T2.single

Statistics used in computing and drawing the Hotelling T^2 chart for individual observations data

Grouping data based on a sample indicator

Statistics used in computing and drawing the Hotelling T^2 chart for subgrouped data

Set or return options for the 'qcc' package.

Functions to plot Shewhart c chart