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The Gpt chart goes through these six steps.

1. Install GPTChart and reference it in the project.

2. Create a chart object.

3. Set the properties of the chart object, such as title, axis and type.

4. Create a dataset object and add data.

5. Associate the dataset object with the chart object.

6. Use the draw () method of the Chart object to generate the chart.

Chart, in MicrosoftOffice terms, generally refers to the graphic structure displayed on the screen, which can intuitively display the attributes of statistical information (timeliness, quantity, etc.). ), and plays a key role in knowledge mining and intuitive and vivid feeling of information. This is a good way to visualize object attribute data. Composition of the chart: the chart is divided into two parts: header and data area. Chart design has its own expression characteristics, especially for the expression of concepts such as time and space and some abstract thinking, which cannot be replaced by words and words.