Hello Vincent, I need to plot bars split in 3 subparts. the best I've found so far is to use the cumulative option of the histogram plot, but the corresponding error bars escape that 'cumulative' think, so they appear at the original y position in the data file. I've tried mixing up files so that error bar would read a different y value, but that didnt do the trick. What could I do? On the attacehd file, the cyan bar corresponds to the navy stripe, the green to the olive one, and the purple to the...