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SixSigma 0.11.1

• Hotfix: package documentation issue

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.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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