Getting different plot ranges

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Nathaniel Porter
Nathaniel Porter 2021-12-19
评论： William Rose 2021-12-20
Ran in:
Trying to get time series plot of different days from dataset. Got help previoulsy but was only able to do day 1, when altering the code for day 2. It did not work. The csv file is opened, then columns are selected: Day 2 is from A61:D353, which then named glucose1_2 and is then imported to the workspace. Trying to get plot such as Day1 below for all remaining days of glucose.csv file.
Day 1 - A2:D60
Day2 - A61:D353
Day 3 - A354:D646
Day 4- A647:D940
Day 5 - A941:D1234
Day 6- A1235:D1439
glucose1_2.date.Format = 'dd.MM.uuuu HH:mm';
glucose1_2.time.Format = 'hh:mm:ss.S';
glucose1_2.date = [glucose1_2.date glucose1_2.time];
glucose1_2.glucose = glucose1_2.glucose*18;
Unrecognized field name "glucose".
plot(glucose1_2.date,glucose1_2.glucose);
grid on; legend('Patient1, Day1');
xlabel('Date and Time'); ylabel('Serum Glucose Level (mg/dl)');

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采纳的回答

William Rose
William Rose 2021-12-19
编辑：William Rose 2021-12-19
Ran in:
@Nathaniel Porter,
T=readtable('glucose.csv'); %read file into table T
You will see that T has columns named date, time, glucose.
Line below plots glucose vs. time for the rows which have date=2014-10-01.
plot(T.time(T.date=='2014-10-01'),T.glucose(T.date=='2014-10-01'));
Line below plots glucose vs. time for day 2: the rows which have date=2014-10-02. And so on.
plot(T.time(T.date=='2014-10-02'),T.glucose(T.date=='2014-10-02'));
Good luck with your work!
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Nathaniel Porter
Nathaniel Porter 2021-12-20
Yes I would have to multiply by 18. based on the code you sent do you know how I can alter it so the plot shows mgdl instead
William Rose
William Rose 2021-12-20
@Nathaniel Porter, yes you can. Multiply y-values by 18 in the plot command. Include labels with units.
plot(T.time(T.date=='2014-10-02'),18*T.glucose(T.date=='2014-10-02'));
xlabel('Time (hours)'); ylabel('Plasma glucose (mg/dL)');
Try.

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