Code covered by the BSD License  

Highlights from
Chemometric data preprocessing

Be the first to rate this file! 32 Downloads (last 30 days) File Size: 5.54 KB File ID: #30765

Chemometric data preprocessing

by

 

15 Mar 2011 (Updated )

M-files for data preprocessing by several methods.

| Watch this File

File Information
Description

ABSTRANS Convert spectral absorbance to transmitance
TRANSABS Convert spectral transmitance to absorbance
SNV Standard Normal Variate
SAVGOL Savitsky-Golay smoothing and differentiation
NORMALIZ Normalize matrix rows dividing by its norm
NORMXAS Normalize XAS spectra to absorbance range from 0 to 1
MSC Multiplicative Scatter Correction
CENTER Mean center scales matrix to zero mean
AUTO Autoscales matrix to zero mean and unit variance
SCAL Scals matrix using means and standard deviations
RESCAL Rescals matrix using means and standard deviations

Required Products Statistics Toolbox
MATLAB release MATLAB 7.8 (R2009a)
Tags for This File   Please login to tag files.
Please login to add a comment or rating.
Updates
01 Jun 2011

Function for normalize absorbance of XAS spectra was added

Contact us