How can I combine two plots in one bar chart with their unique y-axis?

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Wouter Wizard 2019-11-8

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https://ww2.mathworks.cn/matlabcentral/answers/489983-how-can-i-combine-two-plots-in-one-bar-chart-with-their-unique-y-axis

评论： Pratheek Punchathody 2020-9-1

Hi all,

I am plotting data from two columns in one bar plot, but the results are not showing as I expected them. I get this result by using the following code:

y = [lr_flights2018, lr_income2018]; 
yyaxis left
b = bar(1:length(y),lr_flights2018);
ylabel('Life Rating/flights ratio')
yyaxis right
p = bar(1:length(y),lr_income2018);
ylabel('Life Rating/income ratio')
set(gca, 'XTick', 1:length(y))
set(gca,'XTickLabel',{Combined{:,1}})
xtickangle(90)
title('Correlations with life rating');

Which shows as:

What other output I want is

Bar plots next to each other for each bin

If anyone knows how I can do this, it will be much appreciated. Thanks!

Edit: the data and .m file are added

Edit2: I managed to remove the black mess

Edit3: the problem occures becuase of the combination of two seperate axis that split the bars. Combined, I know that two plots can be shown with

Y = [5,2
     8,7
     9,8
     5,5
     4,3];
figure
bar(Y)

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Adam Danz 2019-11-8

Looks like you solved some of the problem based on your edits. Where are you at now and how can we help?

An unrelated suggestion: add some transparency to your right-axis bars so the left-axis blue bars can be seen.

Pratheek Punchathody 2020-9-1

在 MATLAB Online 中打开

As per my understanding it is required to plot the two different columns as bar graphs using the slip Y axis. The bar should appear adjacent to each other for the X axis data.

I have considered two different vectors as the sample data. The code I have executed is as shown below. This will plot the bar adjacent to each other corresponding to the Y axis.

%% Code starts here 
yDataRight=[0.8 0.1 0.8 0.6 0.7 0.3 0.2 0.9 0.2 0.5]; 
yDataLeft=[5 4 1 3 4 5 1 8 4 6]; 
a=[yDataLeft(:)   zeros(10,1)]; 
b=[zeros(10,1)   yDataRight(:)];   
yyaxis left 
bar(a,'BarWidth',0.5); 
ylabel('Life Rating/flights ratio') 
yyaxis right 
bar(b,'BarWidth',0.5); 
ylabel('Life Rating/income ratio'); 
%%Code ends here 