Hi what is the input format for function 'fit'?

[xiaoyuanzh]

Just like it.

[Sunny478]

If you are using a dataframe, try converting it to an array before fit() or maybe simply use x_train.values

[hiddevanesch]

If you are using a dataframe, try converting it to an array before fit() or maybe simply use x_train.values

Can you give an example?
I keep getting IndexError: too many indices for array: array is 1-dimensional, but 2 were indexed