Greetings!
I have a data set for several categories over ten years.
I want to plot a pie chart of the top 8 categories for the first year (2000)
and then chart a second pie chart for the top 8 categories in the last year (2009)
to show the differences.
Here is my problem. After I sort the data and create the first pie chart, I want to resort the data according to the last year. After rearranging the data, the first chart changes.
I hope this a simple problem you can help me with.
If you know a youtube video, or general topic that I can research to learn this technique please let me know!
Joseph
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