From the course: Introduction to Machine Learning with KNIME
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Explore data: Boxplot - KNIME Tutorial
From the course: Introduction to Machine Learning with KNIME
Explore data: Boxplot
- [Instructor] Okay, we're going to do another chart type now. We're still doing the explore data task of the data understanding phase. But we really need to do another chart type, because I want to underscore that every different pair of variables in terms of their level of measurement is going to require a somewhat different approach when exploring the data visually. So scatter plot only works when you have a scale variable on the x axis and a scale variable on the y axis. But what if you want to compare a categorical variable to a scale variable? That's not going to work effectively and we need to that a different way. So we're going to try a box plot. Aligning the chart type with the level of measurement of the underlying variables is actually a huge topic. And entire books have been written about it. Stephen Few is an author who has really specialized in this. And although he doesn't write about KNIME, his graph selection matrix, which you can find on the internet, is extremely…
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