My training data is in a cell array whilst my labels are a categorical array although I still get invalid training data error

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I am trying to experiment with our CNN structure using a sequence input, with a dataset of 360x1 cell consisting of 64x769 arrays
64 = Channels
And this is our label data in a categorical array:
and this is the error I am getting
Error using trainNetwork (line 184)
Invalid training data. Responses must be a cell array of categorical response sequences.
Although I am using a categorical array it still outputs this error which is very confusing.

Accepted Answer

Anshika Chaurasia
Anshika Chaurasia on 4 Oct 2021
As mention in error: Responses should be cell array of categorical datatype. Hence, the response should like this:
For more information refer to following documentations:

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