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Package: SPUTNIK | ||
Type: Package | ||
Title: Spatially automatic denoising for Ims toolkit | ||
Title: Spatially Automatic Denoising for Imaging Mass Spectrometry Toolkit | ||
Version: 1.4.2 | ||
Author: Paolo Inglese [aut, cre], Goncalo Correia [aut, ctb] | ||
Maintainer: Paolo Inglese <[email protected]> | ||
Authors@R: c(person("Paolo", "Inglese", email = "[email protected]", role = c("aut", "cre")), | ||
person("Goncalo", "Correia", role = c("aut", "ctb"))) | ||
Description: A set of tools for the peak filtering of mass spectrometry | ||
imaging data (MSI or IMS) based on spatial distribution of signal. Given a | ||
region-of-interest (ROI), representing the spatial region where the informative | ||
Authors@R: c(person("Paolo", "Inglese", email = "[email protected]", | ||
role = c("aut", "cre")), person("Goncalo", "Correia", role = c("aut", "ctb"))) | ||
Description: Set of tools for peak filtering of mass spectrometry | ||
imaging data based on spatial distribution of signal. Given a | ||
region-of-interest, representing the spatial region where the informative | ||
signal is expected to be localized, a series of filters determine which peak | ||
signals are characterized by an implausible spatial distribution. The filters | ||
reduce the dataset dimensionality and increase its information vs noise ratio, | ||
reduce the dataset dimension and increase its information vs noise ratio, | ||
improving the quality of the unsupervised analysis results, reducing data | ||
dimensionality and simplifying the chemical interpretation. | ||
"SPUTNIK: an R package for filtering of spatially related peaks in mass | ||
spectrometry imaging data" <doi:10.1093/bioinformatics/bty622> | ||
dimension and simplifying the chemical interpretation. | ||
The methods are described in Inglese P. et al (2019) <doi:10.1093/bioinformatics/bty622>. | ||
Depends: R (>= 3.4.0) | ||
License: GPL (>= 3) | ||
Encoding: UTF-8 | ||
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## Load package | ||
library("SPUTNIK") | ||
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## Create ms.image-class object | ||
msIm <- msImage(values = matrix(rnorm(200), 40, 50), name = "test", scale = TRUE) | ||
\donttest{ | ||
library("SPUTNIK") | ||
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## Plot the image | ||
## plot(msIm) | ||
## Create ms.image-class object | ||
msIm <- msImage(values = matrix(rnorm(200), 40, 50), name = "test", scale = TRUE) | ||
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## Plot the image | ||
plot(msIm) | ||
} |
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#' @param ... additional parameters compatible with the \code{statspat.core} functions. | ||
#' See \link[spatstat.explore]{cdf.test} for "KS" and \link[spatstat.explore]{clarkevans.test}. | ||
#' for "ClarkEvans" | ||
#' @return List of the p-values and adjusted p-values for the CSR test. | ||
#' | ||
#' @author Paolo Inglese \email{[email protected]} | ||
#' | ||
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#' \item the merged peaks image should be more structured than the single | ||
#' peak images, accordingly to the selected \code{sparseness}. | ||
#' } | ||
#' | ||
#' @return \code{peak.filter} object. See \link{applyPeaksFilter}. | ||
#' | ||
#' @author Paolo Inglese \email{[email protected]} | ||
#' | ||
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