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SixSigma under development

  • Add colours to ss.ca.study and ss.ci (#35 @tatgenhorst)

  • hotfix: Fix xlab in ss.ci

SixSigma 0.11.0

  • Add colours to .ss.prepCanvas (#16 @k-tatgenhorst)

  • Fix deprecated ..density.. issue in ggplot2

  • Add unit testing (#15 @paulamarv8)

  • Add codecov

  • Add urls to DESCRIPTION

  • Stick News.md to tidyverse style guide

  • Improve pkgdown doc

SixSigma 0.10.3

  • Fix more moved urls in documentation

SixSigma 0.10.2

  • Fix moved urls in documentation (.rd files)

  • Fix example of ss.heli() (avoid generate pdf on checks)

SixSigma 0.10.1

  • Fix moved urls in documentation

SixSigma 0.10.0

  • Fix ss.rr() issue on x-bar subgraph (#9).

  • ss.rr() gains an argument signifstars that avoids overwriting the global option. FALSE by default. (@Yoshinobu-Ishizaki, #10).

  • NEWS -> NEWS.md

  • Documentation with pkgdown at http://emilopezcano.github.io/SixSigma/

SixSigma 0.9-58

  • Remove dependency on the qcc package, only used in examples.

  • Update documentation

  • Fix testing issues

SixSigma 0.9-57

  • Fix bug on ss.rr() when no variation, with thanks to Gilles Chassat.

SixSigma 0.9-56

  • Fix bug on ss.cc() when plotting MR control chart, with thanks to Jl Z.

SixSigma 0.9-55

  • ss.rr() gains a print_plot argument.

SixSigma 0.9-54

  • Allow nested designs in R&R Gage studies (ss.rr)

SixSigma 0.9-53

  • Add option f.colours to ss.study.ca

SixSigma 0.9-52

  • Fix bug on computation of Z_lt in ss.ca().

  • Improve graphical output of ss.study.ca(): remove "NA" strings.

SixSigma 0.9-5

  • Include ISBNs in the DESCRIPTION file.

SixSigma 0.9-4

  • Avoid rounding of variance component to zero in ss.rr().

  • Correct %Tolerance column in ss.rr().

  • Show %Tolerance in the output of ss.rr().

  • Fix reference in the package manual.

SixSigma 0.9-3

  • Improvements in ss.rr(): allow arguments errorTerm and alphaLim; changes in computations for compliance with AIAG MSA.

  • By default, error term in ANOVA table of ss.rr() is interaction, so results with the default values may differ from the ones obtained in previous versions.

  • Default value of sigma in ss.rr() is 6 instead of 5.15.

  • Control limits of the range control chart in ss.rr() are now correctly computed.

  • Add profiles examples to package help file.

SixSigma 0.9-2

  • Fix all issues and warnings with ggplot2.

SixSigma 0.9-1

  • ss.study.ca(): fix issue and warning with ggplot2.

  • ss.rr(): allow character strings as input.

SixSigma 0.9-0

  • Functions for monitoring non-linear profiles.

  • Data sets for the example in the book "Quality Control with R".

  • Some bug fixes.

SixSigma 0.8-2

  • Fixed hard-coded axis limits and positions in ss.study.ca().

  • CRAN policy fixes.

SixSigma 0.8-1

  • Fixed NOTES not accepted by CRAN CHECK.

SixSigma 0.8-0

  • ss.rr() now allows one single appraiser.

  • ss.rr() now accepts the sigma level and tolerance. Thanks Kevin C Limburg for suggesting and contributing with the code.

  • Adapted DESCRIPTION and NAMESPACE file to CRAN policies.

  • Removed welcome messages when loading package.

SixSigma 0.7-2 (not uploaded to CRAN)

  • Fixed bug on ss.cc when passing climits argument

SixSigma 0.7-1

  • Fixed roxygen code to allow example(SixSigma) to work

SixSigma 0.7-0

  • New ss.cc() for control charts (currently supporting moving-range control chart).

  • roxygen2 documentation.

  • Updated URL in DESCRIPTION.

  • Added compatibility with R-2.14.2.

  • Fixed Encoding field in DESCRIPTION.

SixSigma 0.6.3

  • Fixed encoding field in DESCRIPTION.

  • ggplot2 0.9.2 compatibility implemented.

SixSigma 0.6.2

  • Bug fixed in ss.lfa() (thanks to Sanjay Shinde for reporting).

  • ggplot2 0.9.2 compatibility update.

  • NEWS file format fixed.

  • Code tests implemented for ss.lfa() .

SixSigma 0.6.1

  • New dataset ss.data.batteries.

  • New and updated references in help files.

  • ss.lfa() now allows smaller-the-better and larger-the-better CTQs, besides nominal-the-best.

SixSigma 0.6.0

  • New datasets (ss.data.doe1, ss.data.doe2, ss.data.pb1, ss.data.pb2, ss.data.pb3, ss.data.pb4) for running examples in book "Six Sigma with R".

  • Minor modifications for ggplot2 0.9.0 compatibility

SixSigma 0.5.0

  • Improvements to ss.ci function: density line, normal qq-plot, warnings when normality test fails.

  • Improvements to capability analysis functions (ss.stuty.ca, ss.cp, ss.cpk), warnings and bug corrections.

  • New function ss.cc.getc4 to compute constant c4 for the unbiased estimator of the standard deviation.

  • New functions ss.cc.getd2 and ss.cc.getd3 to compute mean and variance of the relative range distribution (R/sigma)

  • New dataframes ss.data.pc, ss.data.pc.big and ss.data.pc.r

  • New dataframe ss.data.strings

  • Now ss.rr function uses the new functions ss.cc.getd2 and ss.cc.getd3 to calculate control limits.