TimeseriesClassifier crash when update as follows:

After I have a dataframe of data with one column as features with type MLshapedarray and one column of annotations with type Int. How can I convert them to the correct input type for the timeseriesclassifier?

Is there a way to draw the glyph variants out by swiftUI after I get the glyph name or code using core text? I am trying to typesetting math equation using swiftui like what iosMath done in UIlabel. Is there a way to do so?