V i s i R e x     S c r e e n s
Table Of Contents

Screens

Field Selection

Row Selection

Rule Extraction

Browse All

Browse Test

Confusion Matrix

Live Predictions

Field Statistics

Class Details

Tree Chart

Flow Chart

Browse Filter

Serial Number


VisiRex Confusion Matrix

The Confusion Matrix shows a row count of actual versus predicted on a class-by-class basis.
For example it will separate false positives from false negatives.

Confusion Matrix... Features

  • Click on any cell to browse all the data that is shown in that cell.

Confusion Matrix... Understanding

  • It takes some practice to understand the confusion matrix.
  • The correct predictions lie along the yellow diagonal.
  • The above sample is telling you there were 50 actual Setosa and all 50 were correctly predicted.
  • There were 50 actual Versicolour of which 48 were correctly predicted and two were predicted as Virginica.
  • There were 49 predictions of Versicolour or which 48 were correct and one was actually Virginica.
  • There were 50 actual Virginica of which 49 were correctly predicted and one was predicted as Versicolour.
  • There were 51 predictions of Virginica or which 49 were correct and two were actually Versicolour.
  • 4.00% of the actual Veriscolours were incorrectly predicted.
  • 2.04% of the Versicolour predictions were incorrect.

A Complete System for Inductive Rule Extraction

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