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A colour-first toolkit for the analysis of qualitative (categorical) traits in plant breeding and genetics. It tests observed segregation against the classical Mendelian expectations, fitting every standard mono-, di- and trihybrid ratio automatically and ranking them by goodness of fit, with Yates continuity correction and Monte Carlo exact tests for sparse tables. It partitions chi-square across families into pooled and heterogeneity components, so that a poor overall fit can be attributed either to the hypothesised ratio or to variation between families. Genetic linkage is estimated by maximum likelihood from two-locus second filial generation and backcross data, with logarithm of odds scores and likelihood-ratio confidence intervals for the recombination fraction. The package further computes Shannon-Weaver and Simpson diversity for descriptor states used in distinctness, uniformity and stability testing, and performs multiple correspondence analysis and Gower-distance clustering of mixed categorical and quantitative descriptors. Every analysis returns a tidy result object and a publication-ready 'ggplot2' figure. Methods follow Mather (1951, <ISBN:9780416470406>), Allard (1956) <doi:10.3733/hilg.v24n10p235> and Gower (1971) <doi:10.2307/2528823>.
| Version: | 0.1.1 |
| Depends: | R (≥ 4.0.0) |
| Imports: | stats, utils, grDevices, ggplot2 |
| Suggests: | ggrepel, patchwork, knitr, rmarkdown, testthat (≥ 3.0.0) |
| Published: | 2026-08-08 |
| DOI: | 10.32614/CRAN.package.BKQualit |
| Author: | Praveen Kumar B. K. [aut, cre] |
| Maintainer: | Praveen Kumar B. K. <bkpraveenars at gmail.com> |
| BugReports: | https://github.com/bkpraveenars-del/BKQualit/issues |
| License: | GPL-3 |
| URL: | https://github.com/bkpraveenars-del/BKQualit |
| NeedsCompilation: | no |
| Materials: | README |
| CRAN checks: | BKQualit results |
| Reference manual: | BKQualit.html , BKQualit.pdf |
| Package source: | BKQualit_0.1.1.tar.gz |
| Windows binaries: | r-devel: not available, r-release: BKQualit_0.1.1.zip, r-oldrel: BKQualit_0.1.1.zip |
| macOS binaries: | r-release (arm64): BKQualit_0.1.1.tgz, r-oldrel (arm64): BKQualit_0.1.1.tgz, r-release (x86_64): BKQualit_0.1.1.tgz, r-oldrel (x86_64): BKQualit_0.1.1.tgz |
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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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