Release Notes Version 5 8

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Version 5.8 of PLS_Toolbox and Solo was released in February, 2010.

For general product information, see PLS_Toolbox Product Page. For information on Solo, see Solo Product Page.

(back to Release Notes PLS Toolbox and Solo)



  • Updated for Matlab 2010a compatibility.

Model Building

  • Support Vector Machine Regression and Classification non-linear modeling methods available in Analysis GUI (Solo and PLS_Toolbox) and command-line (PLS_Toolbox).
  • Locally Weighted Regression (LWR) non-linear modeling method available in Analysis GUI and significantly revised at the command-line to add new features, preprocessing support, and compatibility with Solo_Predictor 2.1
  • Permutation test added to Analysis GUI to allow easy testing for over-fit regression models (randomized y-block).
  • TrendTool outputs model structures which can be used to make predictions on new data and are compatible with Solo_Predictor 2.1. Interface is also now accessible through EVRIGUI_Objects
  • PLS-DA prior probability settings now available in Analysis GUI.

Scores Plots

  • Prediction intervals (Estimated prediction error) accessible in Scores plots


  • Add "Transmission to Absorbance" preprocessing method (-log10(T)).


  • Analytical Spectral Devices (ASD) Indico (Versions 6 and 7) data file reader added.
  • Horiba JY file importer fixes to data type handling and converts all data to double precision when importing.
  • Fix Excel reader problem which makes some XLS files unreadable on 64-bit systems.

Other Enhancements

  • Demo datasets now easily available in Model Cache.
  • Clearer deliniation of method categories and access to help in Analysis GUI.
  • Improved appearance and Copy/Paste functionality for MAC and Linux platforms.
  • NND Score Distance calculation now uses Mahalanobis distance
  • Improved Copy/Paste functionality from DataSet Editor data table (labels included and formatted for Excel compatibility)
  • Improved "single-window" feature - have all PLS_Toolbox or Solo windows "docked" in a single frame.


asdreadr - Imports data from Analytical Spectral Devices (ASD) Indico (Versions 6 and 7) data files.
clipboard_image - Copy and paste images to/from the system clipboard.
ismodel - Returns boolean TRUE if input object is a standard model structure.
lwr - Locally Weighted Regression (LWR).
svm - Support Vector Machine (LIBSVM) for regression or classification.
svmda - Support Vector Machine (LIBSVM) for classification.