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Scaling histogram and filling

I am measureing some radiation, and i want to subtract a measured background radiation from my histogram. The background is not measured over the same length of time, so i need to scale it up before i can subtract.

i tried:

but this also scales the errors (that is set by default) and the pehibits me from setting the fill of the background hist:

@couet Perhaps you can help?

An histogram with error bars in its data structure is, by default, drawn with errors bars. If you want to draw it without use:


Then SetFillColor will be active.

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