ggplot2_histogram: revision graph

graph

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planemo upload for repository https://github.com/galaxyproject/tools-iuc/tree/master/tools/ggplot2 commit 843a94f53c808d098def353b0bc5f7f554d9e1af draft
Fri, 09 Dec 2022 22:40:05 +0000, by iuc
"planemo upload for repository https://github.com/galaxyproject/tools-iuc/tree/master/tools/ggplot2 commit 4b44f8f834de15fd34e2fdc5e4aed282069f73af" draft
Tue, 23 Nov 2021 07:55:20 +0000, by iuc

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