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

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Dc215905
Dc215905 2022-6-23
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
Walter Roberson
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
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):

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回答（1 个）

Walter Roberson
Walter Roberson 2022-6-23
scatter(TableName{:,2}, TableName{:,4})
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Dc215905
Dc215905 2022-6-23
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'

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