Charting Personal Health
Adding a scatter chart feature to a PHR solution
Issue: 13.4 (July/August 2015)
Author: J.C. Cruz
Author Bio: JC is a freelance writer based in British Columbia. He is a regular contributor to MacTech Magazine and Dr Dobb's Journal. Away from the writing pile, JC spends quality time with his nephew, as a proper uncle should.
Article Description: No description available.
Article Length (in bytes): 44,214
Starting Page Number: 36
Article Number: 13406
13406.zip Updated: 2015-07-01 11:12:03
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Excerpt of article text...
User-patients may want their health entries shown in a more graphical form. So today, we will learn one way to achieve this—through charts.
We begin with a look at the scatter chart, learn about its makeup, its benefits and limitations. We will design a chart widget, using the
Canvasclass as its basis. Then we will use the widget to produce two types of scatter charts.
Readers are expected to have a working knowledge of Xojo and REALbasic. The updated PHR project, FooHealthMk2, is available from the magazine's website.
Charting Health Entries
A chart can reveal things that are not immediately obvious from the raw data entries. A chart can show how well a patient's health is progressing. It can show how close they are to a specific health risk. It can also show which entries are suspect and ought to be ignored.
The scatter chart
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