diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/cran.scm | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index 32f25956c5..44f79a5f3e 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -9283,3 +9283,34 @@ linear order on both variables.") \"Chemometrics with R - Multivariate Data Analysis in the Natural Sciences and Life Sciences\" by Ron Wehrens, Springer (2011).") (license license:gpl2+))) + +(define-public r-als + (package + (name "r-als") + (version "0.0.6") + (source + (origin + (method url-fetch) + (uri (cran-uri "ALS" version)) + (sha256 + (base32 + "1swrn39vy50fazkpf97r7c542gkj6mlvy8gmcxllg7mf2mqx546a")))) + (properties `((upstream-name . "ALS"))) + (build-system r-build-system) + (propagated-inputs + `(("r-iso" ,r-iso) + ("r-nnls" ,r-nnls))) + (home-page "https://cran.r-project.org/web/packages/ALS") + (synopsis "Multivariate curve resolution alternating least squares") + (description + "Alternating least squares is often used to resolve components +contributing to data with a bilinear structure; the basic technique may be +extended to alternating constrained least squares. This package provides an +implementation of @dfn{multivariate curve resolution alternating least +squares} (MCR-ALS). + +Commonly applied constraints include unimodality, non-negativity, and +normalization of components. Several data matrices may be decomposed +simultaneously by assuming that one of the two matrices in the bilinear +decomposition is shared between datasets.") + (license license:gpl2+))) |