Data Science Desktop Survival Guide by Graham Williams
Desktop Survival Project Home Preface Data Science Introducing R R Constructs R Tasks R Strings R Read, Write, and Create Data Template Data Exploration Data Wrangling Data Visualisation Statistics ML Template ML Scenarios ML Activities ML Applications ML Algorithms Cluster Analysis Decision Trees Computer Vision Graph Data Privacy Literate Data Science Coding with Style Resources Bibliography Index

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Rattle Error Matrix

Evaluating the performance of a model is crucial. Rattle supports a number of methods for evaluating performance. The simplest is the error matrix.

Click the Evaluate tab. Then click Execute to display a simple error matrix. Identify the True/False Positives/Negatives.