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Plotting and labelling a scatter /line plot in matlab

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avantika
avantika 2013-9-3
hi!
I am trying to plot and label line/scatter plot of two columns in a dataset , the first column are the time values to be plotted on x - axis and the corresponding pitch values are in the second column of the dataset to be plotted on the y-axis. The labels for each point are in third column of the dataset labelled as notation. The columns of dataset are 'char' array and the length of dataset is x 3.
Time Pitch notation
2.64 329.63 'GM'
2.64 329.63 'GM'
3.49 261.63 'SM'
4.09 349.23 'MM'
6.27 261.63 'SM'
6.50 349.23 'MM'
6.72 329.63 'GM'
6.75 349.23 'MM'
7.02 329.63 'GM'
7.28 349.23 'MM'
7.32 329.63 'GM'
8.06 261.63 'SM'
8.44 329.63 'GM'
9.36 261.63 'SM'
9.95 349.23 'MM'
11.81 329.63 'GM'
12.04 246.94 'NL'
12.09 261.63 'SM'
12.29 329.63 'GM'
I have used the following commands :
ds = dataset('XLSFile', 'tilakkamodgatannotation.xlsx','sheet', 2);
l = cellstr(ds_new(:,3));
plot(ds(:,1), ds(:,2), 'rx')
text(ds(:,1), ds(:,2), l);
I get a scatter plot with following error :
Error using text Invalid parameter/value pair arguments
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avantika
avantika 2013-9-4
编辑：avantika 2013-9-4
sorry for that error , but I am using the following commands and getting an error:
ds = dataset('XLSFile', 'tilakkamodgatannotation.xlsx','sheet', 2);
time = ds(:,1);
pitch = ds(:,2);
l = cellstr(ds(:,3));
plot(time, pitch, 'rx')
text(time, pitch, l,'horizontal','left', 'vertical','bottom');
error:
Error using text Invalid parameter/value pair arguments
avantika
avantika 2013-9-4
Hi!
the problem got solved , i have used the following commands : time = ds(:,1);
pitch = ds(:,2); l = cellstr(ds(:,3));
plot(time, pitch,'.','color','r')
text(double(time), double(pitch), l,'fontsize',6, 'color','b','rotation',45,'horizontal','left', 'vertical','bottom');

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