This function computes and plots various measures of central tendency and spread for a <code>"Spectra"</code> object.  Several different measures/spreads are available.  The computation can be done by group or using the entire data set.

hplot

specSurvey

A collection of functions for plotting spectra (NMR, IR etc) and carrying out various forms of top-down exploratory data analysis, such as HCA, PCA and model-based clustering.  The design allows comparison of data from samples which fall into groups such as treatment vs. control.  Robust methods appropriate for this type of high-dimensional data are available.  ChemoSpec is designed to be very user friendly and suitable for people with limited background in R.

specSurvey: Plot Measures of Central Tendency and Spread for a Spectra Object

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Examples