Data Editing, Scaling, and Preprocessing.

auto - Autoscales matrix to mean zero unit variance.   [demo]
baseline - Subtracts a polynomial baseline offset from spectra.   [demo]
baselinew - Baseline using windowed polynomial filter.   [demo]
coadd - Reduce resolution through combination of adjacent variables or samples.   [demo]
delsamps - Deletes samples (rows) or variables (columns) from data matrices.   [demo]
editds - Editor for DataSet Objects.
glsw - Generalized least-squares weighting/preprocessing.   [demo]
gscale - Group/block scaling for a single or multiple blocks.   [demo]
gscaler - Applies group/block scaling to submatrices of a single matrix.   [demo]
lamsel - Determines indices of wavelength axes in specified ranges.   [demo]
logdecay - Mean centers and variance scales a matrix using the log decay of the variable axis.
lsq2top - Fits a polynomial to the top/(bottom) of data.   [demo]
mdcheck - Missing Data Checker and infiller.   [demo]
medcn - Median center scales matrix to median zero.
mncn - Scale matrix to mean zero.   [demo]
mscorr - Multiplicative scatter/signal correction (MSC).   [demo]
normaliz - Normalize rows of matrix.   [demo]
oscapp - Applies OSC model to new data.   [demo]
osccalc - Calculates orthogonal signal correction (OSC).   [demo]
polyinterp - Polynomial interpolation, smoothing, and differentiation.   [demo]
preprocess - Selection and application of standard preprocessing structures.   [demo]
preprouser - User-defined preprocessing methods.
registerspec - Shift spectra based on expected peak locations.
rescale - Scales data back to original scaling.   [demo]
savgol - Savitsky-Golay smoothing and differentiation.   [demo]
savgolcv - Cross-validation for Savitsky-Golay smoothing and differentiation.   [demo]
scale - Scales data using specified means and std. devs.   [demo]
shuffle - Randomly re-orders matrix and multiple blocks rows.   [demo]
snv - Standard normal variate scaling.   [demo]
specedit - GUI for selecting spectral regions on a plot.
super_reduce - Eliminates highly correlated variables.   [demo]
unfoldm - Rearranges (unfolds) an augmented matrix to row vectors.   [demo]
unfoldmw - Unfolds multiway arrays along specified order.   [demo]
wlsbaseline - Weighted least squares baseline function.