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02/04: gnu: Add r-ptw.

From: guix-commits
Subject: 02/04: gnu: Add r-ptw.
Date: Mon, 12 Dec 2022 12:44:04 -0500 (EST)

rekado pushed a commit to branch master
in repository guix.

commit 1e5c9bb0d212dc4befb63d05e19c17d7de7e95ad
Author: Mădălin Ionel Patrașcu <>
AuthorDate: Thu Dec 8 20:22:30 2022 +0100

    gnu: Add r-ptw.
    * gnu/packages/cran.scm (r-ptw): New variable.
 gnu/packages/cran.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index cb857e8232..2fdc626ad5 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -4922,6 +4922,33 @@ approach is used to estimate the lower cut-off for the 
scaling region.")
     ;; Any of these GPL versions.
     (license (list license:gpl2 license:gpl3))))
+(define-public r-ptw
+  (package
+    (name "r-ptw")
+    (version "1.9-16")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "ptw" version))
+              (sha256
+               (base32
+                "0rma3h9ksc5qigdvk5vappb4ipd4rpk64wckzcxvxspakr5w71vy"))))
+    (properties `((upstream-name . "ptw")))
+    (build-system r-build-system)
+    (propagated-inputs (list r-rcppde))
+    (home-page "";)
+    (synopsis "Parametric time warping")
+    (description
+     "Parametric time warping aligns patterns.  It aims to put corresponding
+features at the same locations.  The algorithm searches for an optimal
+polynomial describing the warping.  It is possible to align one sample to a
+reference, several samples to the same reference, or several samples to
+several references.  One can choose between calculating individual warpings,
+or one global warping for a set of samples and one reference.  Two
+optimization criteria are implemented: @acronym{RMS, Root Mean Square} error
+and @acronym{WCC, Weighted Cross Correlation}.  Both warping of peak profiles
+and of peak lists are supported.")
+    (license license:gpl2+)))
 (define-public r-compare
     (name "r-compare")

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