Processing - Bar Plot (QGIS) doesn't plot string "category name field"

[qgib]

Author Name: Luca Lanteri (Luca Lanteri)
Original Redmine Issue: 12423
Affected QGIS version: master
Redmine category:processing/qgis
Assignee: Victor Olaya

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Using the attached data, plot test2 with "nome" as Category name field and "shape_area" as value field.
All bar plot category are "none".

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• test2.zip (Luca Lanteri)
• test.html.png (Luca Lanteri)

[qgib]

Author Name: Luca Lanteri (Luca Lanteri)

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Same problem with "mean and standard deviation plot". It works with numeric value.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• operating_system was changed from Mint to
• os_version was changed from 17 to
• version was changed from 2.8.1 to master

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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How you can draw plot when both fields (mean and stddev, name and value) contains strings or dates?

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• status_id was changed from Open to Feedback

[qgib]

Author Name: Luca Lanteri (Luca Lanteri)

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Maybe I miss something. What kind of feedback is needed ?

Thanks
Luca

[qgib]

Author Name: Giovanni Manghi (@gioman)

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still valid on master.

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• status_id was changed from Feedback to Open

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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I don't think this is a bug. To plot we need two sets of numbers: one for X values and second for Y. How we can create plot if X or Y values are strings?

I can change algorithms to disable non numeric fields, if this helps.

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• status_id was changed from Open to Feedback

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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Fixed in master

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• resolution was changed from to fixed/implemented
• status_id was changed from Feedback to Closed