Figure 3. Data visualization-DATA MINING LEARNING MODELS AND ALGORITHMS ON A SCADA SYSTEM DATA REPOSITORY

<p>Data visualization is also a very useful technique because it helps to deter-<br> mine the di&plusmn;culty of the learning problem. We visualized with Weka single<br> attributes (1-d) and pairs of attributes (2-d). The &macr;gure 3 shows the variation<br> of the temperature in time.</p>