MULTIVAR, PLANEX, INTERLAB — From a Collection of Algorithms to an Expert System: Statistics Software Written from Chemists for Chemists

  • D. Wienke
  • U. Wank
  • M. Wagner
  • K. Danzer
Conference paper

Abstract

Three software packages for specialized statistical analysis in the chemical laboratory are presented.

The first system MULTIVAR was developed between 1985 and 1988 as menu driven software package for multivariate statistical data analysis containing a collection of the most important algorithms for data scaling, factor analysis, multivariate regression and pattern recognition applications. An on-line help about every algorithm simplifies the use of the program for the chemist.

The second Program PLANEX was created between 1988 and 1990 as a research study about expert systems for method choice in statistics.

PLANEX realizes a dialog with the chemist about the mathematical speciality of optimal experimental designs. After that dialog generates PLANEX an optimal experimental design as a kind of laboratory worksheet on printer. The most optimal experimental plan is selected using a so called decision tree.

This support by a decision tree represented a higher level of software intelligence in comparison to MULTIVAR as a Poor collection of statistical algorithms.

A further level of software intelligence was implemented in the third program INTERLAB — an expert system for the evaluation of interlaboratory comparisons.

INTERLAB analyses stepwise and automatically given experimental data and offers at every stage of the analyses the optimal method from a pool of possible parametric and robust statistical tests, As result of the combination of this automatic data evaluation with a user — program — dialog as an overlay Process an exhaustive statistical analysis of interlaboratory test data is available.

Keywords

High Performance Liquid chromatographY Chalcones Dian Alsb Nather 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • D. Wienke
    • 1
  • U. Wank
    • 1
  • M. Wagner
    • 1
  • K. Danzer
    • 1
  1. 1.Institute of Inorganic and Analytical Chemistry, Analytical DivisionFriedrich-Schiller-University JenaJenaGermany

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