corr2D: Implementation of Two-Dimensional Correlation Analysis in R

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Authors Robert Geitner, Robby Fritzsch, Jurgen Popp, Thomas W Bocklitz
Journal/Conference Name Journal of Statistical Software
Paper Category
Paper Abstract In the package corr2D two-dimensional correlation analysis is implemented in R. This paper describes how two-dimensional correlation analysis is done in the package and how the mathematical equations are translated into R code. The paper features a simple tutorial with executable code for beginners, insight into the calculations done before the correlation analysis, a detailed look at the parallelization of the fast Fourier transformation based correlation analysis and a speed test of the calculation. The package corr2D offers the possibility to preprocess, correlate and postprocess spectroscopic data using exclusively the R language. Thus, corr2D is a welcome addition to the toolbox of spectroscopists and makes two-dimensional correlation analysis more accessible and transparent.
Date of publication 2018
Code Programming Language R
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