How do you create a scatter plot using select columns from app.UITable.Data?

Question

Dc215905 2022-6-23

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1746175-how-do-you-create-a-scatter-plot-using-select-columns-from-app-uitable-data

评论： Walter Roberson 2022-6-23

I have a Table where the rows get added and updated. I would like to be able to create a scatter plot of the table. Any thoughts?

2 个评论
显示无隐藏无

Walter Roberson 2022-6-23

Should the plotting be based upon variable (column) number, or should it be based upon column name? Are the column names or number to plot always the same or is there input indicating which ones to select?

Dc215905 2022-6-23

编辑：Dc215905 2022-6-23

Yes, the plotting should be based on variable (column) and the the columns are always the same. I thought I could just convert the two columns of interest to an array and simply due scatter(Column2,Column4), but I can't find a solution.

As an example, the figure below is my table and I would like to create a scatter plot using column1 (%MSO) and Column3 (MEP Amplitude):

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Walter Roberson 2022-6-23

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1746175-how-do-you-create-a-scatter-plot-using-select-columns-from-app-uitable-data#answer_991555

在 MATLAB Online 中打开

scatter(TableName{:,2}, TableName{:,4})

3 个评论
显示 1更早的评论隐藏 1更早的评论

Dc215905 2022-6-23

在 MATLAB Online 中打开

This is the error I get:

Error using scatter (line 52)
Must supply X and Y data as first arguments

The problem is that each the table is made up of cells so if I see what's in:

(app.UITable.Data{:,2})

it outputs:

ans =
    '90'
ans =
    '90'
ans =
    '90'
ans =
    '120'
ans =
    '130'
ans =
    '150'
ans =
    '150'
ans =
    '150'
ans =
    '150'
ans =
    '150'
ans =
    '150'
ans =
    '150'
ans =
    '150'