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Unzip throws ZIP file not found error in "Classify ECG Signals Using LSTM Networks Example"

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Looking at the example from the documentation "Classify ECG Signals Using LSTM Networks Example",
I get the following error when I run "ReadPhysionetData" from the "ClassifyECGSignalsUsingLSTMNetworksExample.mlx" deep learning example.
Error using checkfilename>validateFilename (line 165)
Function UNZIP was unable to find file ''/physionet.org/challenge/2017/training2017.zip''.
Error in checkfilename (line 49)
[fullfilename, fid] = validateFilename( ...
Error in parseUnArchiveInputs (line 81)
[archiveFilename, url] = checkfilename(archiveFilename, validExtensions, ...
Error in unzip (line 57)
[zipFilename, outputDir, url, urlFilename] = parseUnArchiveInputs( ...

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 27 Mar 2020
Edited: MathWorks Support Team on 27 Mar 2020
In MATLAB versions after R2017b and before R2019b Update 2, it is likely that the URL for the location of the data set is outdated or incorrect.
Link : <https://physionet.org/challenge/2017/training2017.zip>
should be updated to
Please replace the URL in the file "ReadPhysionetData.m" on line 8:
unzip('https://physionet.org/challenge/2017/training2017.zip')
with the archive link:
unzip('https://archive.physionet.org/challenge/2017/training2017.zip')

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R2019b