UAHDataScienceUC
Learn Clustering Techniques Through Examples and Code
Description
A comprehensive educational package combining clustering algorithms with detailed step-by-step explanations. Provides implementations of both traditional (hierarchical, k-means) and modern (Density-Based Spatial Clustering of Applications with Noise (DBSCAN), Gaussian Mixture Models (GMM), genetic k-means) clustering methods as described in Ezugwu et. al., (2022) <doi:10.1016/j.engappai.2022.104743>. Includes educational datasets highlighting different clustering challenges, based on 'scikit-learn' examples (Pedregosa et al., 2011) <https://jmlr.csail.mit.edu/papers/v12/pedregosa11a.html>. Features detailed algorithm explanations, visualizations, and weighted distance calculations for enhanced learning.
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CRAN Check Status
Show all 14 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-macos-arm64 | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | ERROR |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check details (1 non-OK)
re-building of vignette outputs
Error(s) in re-building vignettes:
...
--- re-building ‘UAHDataScienceUC.Rmd’ using rmarkdown
Quitting from UAHDataScienceUC.Rmd:83-93 [unnamed-chunk-6]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `solve.default()`:
! Lapack routine dgesv: system is exactly singular: U[2,2] = 0
---
Backtrace:
▆
1. └─UAHDataScienceUC::gaussian_mixture(...)
2. ├─UAHDataScienceUC:::sum_finite(...)
3. └─base::sapply(...)
4. └─base::lapply(X = X, FUN = FUN, ...)
5. └─UAHDataScienceUC (local) FUN(X[[i]], ...)
6. └─UAHDataScienceUC:::dmnorm(...)
7. ├─base::diag(diff %*% solve(sigma) %*% t(diff))
8. ├─base::solve(sigma)
9. └─base::solve.default(sigma)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Error: processing vignette 'UAHDataScienceUC.Rmd' failed with diagnostics:
Lapack routine dgesv: system is exactly singular: U[2,2] = 0
--- failed re-building ‘UAHDataScienceUC.Rmd’
SUMMARY: processing the following file failed:
‘UAHDataScienceUC.Rmd’
Error: Vignette re-building failed.
Execution halted
Check History
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 4, 2026
re-building of vignette outputs
Error(s) in re-building vignettes: ... --- re-building ‘UAHDataScienceUC.Rmd’ using rmarkdown Quitting from UAHDataScienceUC.Rmd:83-93 [unnamed-chunk-6] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <error/rlang_ ...[truncated]... ith diagnostics: Lapack routine dgesv: system is exactly singular: U[2,2] = 0 --- failed re-building ‘UAHDataScienceUC.Rmd’ SUMMARY: processing the following file failed: ‘UAHDataScienceUC.Rmd’ Error: Vignette re-building failed. Execution halted