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resemble: Similarity Retrieval and Local Learning for Spectral Chemometrics

Functions for dissimilarity analysis and machine learning in complex spectral data sets, including memory-based learning (MBL), optimal subset search and selection, and retrieval-based modelling with model libraries. Supports local learning, optimisation of spectral libraries, and ensemble prediction from precomputed models. Most of these functions are based on the methods presented in Ramirez-Lopez et al. (2013) <doi:10.1016/j.geoderma.2012.12.014>.

Version: 3.0.0
Depends: R (≥ 4.2.0)
Imports: foreach, iterators, RhpcBLASctl, Rcpp (≥ 1.0.3), mathjaxr (≥ 1.0), lifecycle (≥ 0.2.0)
LinkingTo: Rcpp, RcppArmadillo
Suggests: prospectr, parallel, doParallel, testthat, quarto, knitr
Published: 2026-04-20
DOI: 10.32614/CRAN.package.resemble
Author: Leonardo Ramirez-Lopez ORCID iD [aut, cre], Antoine Stevens ORCID iD [aut, ctb], Claudio Orellano [ctb]
Maintainer: Leonardo Ramirez-Lopez <ramirez.lopez.leo at gmail.com>
BugReports: https://github.com/l-ramirez-lopez/resemble/issues
License: MIT + file LICENSE
URL: https://l-ramirez-lopez.github.io/resemble/, https://github.com/l-ramirez-lopez/resemble
NeedsCompilation: yes
Citation: resemble citation info
Materials: README, NEWS
CRAN checks: resemble results

Documentation:

Reference manual: resemble.html , resemble.pdf
Vignettes: 8 Building a library of models with liblex (source, R code)
6 Classical memory-based learning (local modelling) (source, R code)
2 Dimensionality reduction of spectral data (source, R code)
3 Estimating dissimilarity between spectra (source, R code)
7 Evolutionary subset search using gesearch (source, R code)
1 Essential concepts and setup (source, R code)
4 Nearest-neighbor search (source, R code)
5 Simple global models (source, R code)

Downloads:

Package source: resemble_3.0.0.tar.gz
Windows binaries: r-release: resemble_3.0.0.zip, r-oldrel: resemble_3.0.0.zip
macOS binaries: r-release (arm64): resemble_3.0.0.tgz, r-oldrel (arm64): resemble_3.0.0.tgz, r-release (x86_64): resemble_3.0.0.tgz, r-oldrel (x86_64): resemble_3.0.0.tgz
Old sources: resemble archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=resemble to link to this page.

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.