HOW TO ADD XTICKLABLE IN BAR HISTOGRAM ?

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Sanchit
Sanchit 2023-7-11
编辑： Mayur 2023-7-11
I am using following lines of matlab to generate bar histogram
bar(rf_classifier.OOBPermutedVarDeltaError)
ax = gca;
xlabel('Feature Number','FontSize', 16)
ylabel('Out-of-Bag Feature Importance','FontSize', 16)
ax.XTickLabel = [Td,T,EV,PEV,SSR,SSRD,TP,VPD,RH];
ax.XTickLabelRotation = 45;
However, this code is not putting the variable names on x-axix of bar diagram. I request you to kindly fix it in order to put the variable names on x-axis. I am attaching the bar figure also.
Thanks.
Sanchit
  1 个评论
Sanchit
Sanchit 2023-7-11
It is putting all the variables nine times. I have attached the output png file. You may please have a look ot it. Thank you very much.
Sanchit

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Mayur
Mayur 2023-7-11
编辑：Mayur 2023-7-11
Hi Sanchit!
I understand that you're not able to get the labels in x-axis. Assuming Td, T, EV, etc as variables and not actual values, you will need to use curly braces instead of square brackets. Here's the updated code:
bar(rf_classifier.OOBPermutedVarDeltaError)
ax = gca;
xlabel('Feature Number','FontSize', 16)
ylabel('Out-of-Bag Feature Importance','FontSize', 16)
ax.XTickLabel = {Td,T,EV,PEV,SSR,SSRD,TP,VPD,RH};
ax.XTickLabelRotation = 45;
Otherwise, if they are actual values (strings), you need to use a string array or cell array.
bar(rf_classifier.OOBPermutedVarDeltaError)
ax = gca;
xlabel('Feature Number','FontSize', 16)
ylabel('Out-of-Bag Feature Importance','FontSize', 16)
ax.XTickLabel = {'Td','T','EV','PEV','SSR','SSRD','TP','VPD','RH'};
ax.XTickLabelRotation = 45;
Please refer to this documentation for more info: https://in.mathworks.com/help/matlab/ref/matlab.graphics.axis.axes-properties.html
  2 个评论
Steven Lord
Steven Lord 2023-7-11
Ran in:
This likely doesn't do what the user wants. Let's look at what you're using to set the XTickLabel property:
['Td','T','EV','PEV','SSR','SSRD','TP','VPD','RH']
ans = 'TdTEVPEVSSRSSRDTPVPDRH'
Either use a string array (preferred) or a cell array containing char arrays.
s = ["Td","T","EV","PEV","SSR","SSRD","TP","VPD","RH"]
s = 1×9 string array
"Td" "T" "EV" "PEV" "SSR" "SSRD" "TP" "VPD" "RH"
c = {'Td','T','EV','PEV','SSR','SSRD','TP','VPD','RH'}
c = 1×9 cell array
{'Td'} {'T'} {'EV'} {'PEV'} {'SSR'} {'SSRD'} {'TP'} {'VPD'} {'RH'}
Sanchit
Sanchit 2023-7-11
Thank you very much. It worked very well.
Sanchit

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