Learn R Programming

SPUTNIK (version 1.4.2)

ovarianDESIDoria2016: Load the example DESI-MSI data.

Description

Loads a single human ovarian cancer DESI mass spectrometry imaging dataset acquired in negative ionization mode using Waters XEVO-GS2 qToF. The dataset is available at "https://raw.github.com/paoloinglese/SPUTNIKexamples/master/data/ovarian_xevo_prepr_MALDIquant.RData" The dataset is loaded in the R environment under the variable name maldiData.

Usage

ovarianDESIDoria2016(verbose = TRUE)

Value

maldiData MS intensity matrix. Rows represent pixels, columns represent matched peaks.

Arguments

verbose

Logical (default = TRUE). Show additional output text.

References

Doria, M. L., McKenzie, J. S., Mroz, A., Phelps, D. L., Speller, A., Rosini, F., ... & Ghaem-Maghami, S. (2016). Epithelial ovarian carcinoma diagnosis by desorption electrospray ionization mass spectrometry imaging. Scientific reports, 6, 39219.