Extracting UITable data for statistical analysis in the app designer

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Mo 2023-1-15

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https://ww2.mathworks.cn/matlabcentral/answers/1894410-extracting-uitable-data-for-statistical-analysis-in-the-app-designer

评论： Mo 2023-1-18

In my app designer app, I can get my data from pressing a button as a Table and export tha table to excel for each column. If I have multiple attempts by using the same button, I will get raw data for each pressing. I want to calculate average and Standard deviation of each column and desplay it on EditField as a value (from all rows). This is my code:

I used

Ave = mean(app.UITable.Data{1,1});

but I know {1,1} only get the first row of the first column. I also used (:,1) and {:,1} but none of them worked. I appreciate for any help!?

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%Button Name: Show Data%

% Button pushed function: ShowDataButton

function ShowDataButtonPushed(app, event)

app.UITable.Data; %my UITable with 3 column and rows%

Ave = mean(app.UITable.Data{1,1}); %calcualte mean value of the first column%

app.MeanRTEditField.Value = Ave; %Dispaly the Mean value%

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回答（1 个）

Cameron 2023-1-15

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https://ww2.mathworks.cn/matlabcentral/answers/1894410-extracting-uitable-data-for-statistical-analysis-in-the-app-designer#answer_1149265

在 MATLAB Online 中打开

This worked for me

function ButtonPushed(app, event)
    app.UITable.Data = rand(200,4);
    app.EditField.Value = mean(app.UITable.Data(:,1));
    app.EditField2.Value = std(app.UITable.Data(:,1));
end