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How to add a second Y axis to a bar chart?

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desert_scientist90
desert_scientist90 el 14 de Ag. de 2020
Comentada: Sara Boznik el 14 de Ag. de 2020
Hi all , I am trying to make a bar chart with readings of particulate matter. Since one of my observations is an outlier my graph does not look right. Is there anyway I could add a second Y axis to my code?
Thanks in advance for your help
%% pdr bar chart
x1=[ 1 2 3 4 5 6 7 8 9 ];
b1=[12.74 33.47; 71.06 29.25; 43.69 17.20;166.75 111.0; 796.17 3266; 519.0 55.27; 7.18 0; 123.25 0; 25.00 0];%% PM 2.5 readings
y1=bar(x1,b1);
xtips1 = y1(1).XEndPoints;
ytips1 = y1(1).YEndPoints;
labels1 = string(y1(1).YData);
text(xtips1,ytips1,labels1,'HorizontalAlignment','center',...
'VerticalAlignment','bottom')
xtips2= y1(2).XEndPoints;
ytips2 = y1(2).YEndPoints;
labels2 = string(y1(2).YData);
text(xtips2,ytips2,labels2,'HorizontalAlignment','center',...
'VerticalAlignment','bottom')

Respuestas (1)

Sara Boznik
Sara Boznik el 14 de Ag. de 2020
Hi!
I recomend you that you use plotyy.
Below you have an example.
[ax,h1,h2] = plotyy(f,[a',b',d',U'],f,I);
set(ax(1),'YLim',[-2 2])
set(ax(2),'YLim',[-15 15])
set(get(ax(1),'Ylabel'),'String','y_1')
set(get(ax(2),'Ylabel'),'String','y_2')
I hope that this will help you somehow. Good luck.
  2 comentarios
desert_scientist90
desert_scientist90 el 14 de Ag. de 2020
Thanks I tried plotty but this version of matlab does not recommend using it and give me a code error. I think, I might have to log transform the values
Sara Boznik
Sara Boznik el 14 de Ag. de 2020
Sorry, I don't know, I am not so experienced here and I am trying to help as much as I can. And ofc it is very useful to learn something new with this MATLAB Answers.
Wish you best of luck.

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