Diffbind heatmap color change
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@andrewgehrke-12761
Last seen 3.7 years ago

Hi Rory,

Sorry for the mundane question, but I think I used to be able to change the color of heatmaps in Diffbind using col = , and now that doesnt seem to work,  Now I get the following error:

> plot(samples_final, col ="blues")
Error in dba.plotHeatmap(x, ...) : 
  argument 2 matches multiple formal arguments

Keep getting this error no matter what color variation I try.   If you have a quick second to help that would be much appreciated!

Thanks,

-Andrew

diffbind rory stark • 1.2k views
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Rory Stark ★ 4.1k
@rory-stark-5741
Last seen 13 hours ago
CRUK, Cambridge, UK

Hi Andrew-

The heatmap plotting code changed a while back.

Try setting colScheme="Blues". This will set the color scheme using RColorBrewer:

col = colorRampPalette(brewer.pal(9,"Blues"))(256)

You can also set colScheme to any vector of colors, which will be used for the heatmap as if you passed a value directly for col.

Cheers-

Rory

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@andrewgehrke-12761
Last seen 3.7 years ago

As always, thank you very much for your help and prompt response!!

-Andrew

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