Issue with Plotting Data set based on Checkboxes in MATLAB App Designer

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Andrew Feenan 2022-6-14

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https://ww2.mathworks.cn/matlabcentral/answers/1740200-issue-with-plotting-data-set-based-on-checkboxes-in-matlab-app-designer

评论： Voss 2022-6-15

采纳的回答： Voss

在 MATLAB Online 中打开

Hi,

I have an Excel file with data on a large number of devices. Each device has its own sheet within the Excel file.

I have a uitable with checkboxes setup in app designer so that when a check box is selected the data corresponding to that selection will be displayed on the plot. I need to be able to select more than one device at a time and all selected devices should appear on the plot.

When the user makes their selection by using the checkboxes in the uitable they then click a plot button, and their selected devices should be plotted. There is a clear button to clear the plot and the user should be able to repeat the process.

This is my code so far

%create the uitable, first column has the device names,
%second colunm has checkboxes
boxColumn = false(size(app.SheetName));
app.T = table(app.SheetName, boxColumn);
app.UITable.Data = app.T;

%callback to keep track of which checkboxes are selected
function UITableCellEdit(app, event)
            indices = event.Indices;
            newData = event.NewData;
            if newData
                app.SelectedDevices(end+1) = table2array(app.UITable.Data(indices(1),indices(2)-1));                
            else
                app.SelectedDevices(ismember(app.SelectedDevices,app.UITable.Data(indices(1),indices(2)-1))) = [];
            end  
        end

        %selected devices plotted when button is pushed
        function PlotButtonPushed(app, event)
            probplot(app.UIAxes,app.Data(:,app.Data(app.SelectedDevices)));
            legend(app.UIAxes,Sheetname,'-DynamicLegend','Location','best')
        end
    end

It is the last bit of code that I am having issues with. The error I'm getting is on the probplot line "Array indices must be positive integers or logical values."

I'd appreciate any help on this issue.

Andrew

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Andrew Feenan 2022-6-14

It’s the imported sheet with the data of each device in it

Andrew Feenan 2022-6-14

在 MATLAB Online 中打开

This is the code

            app.SheetName = sheetnames(app.filename1);
            app.nSheets = length(app.SheetName);
            %range of chosen data
            range = 'D2:D501';
            data = zeros(1,7);
            for i = 1 : app.nSheets
                Name = app.SheetName{i};
                data = readtable(app.filename1,'Sheet',Name,'Range',range);
                data1 = table2array(data); 
                app.Data(:,i) = data1;
            end