Learning how to do machine learning and learning how to clear data is a bit like asking what the best way to become an award winning author with very neat penma

Learning how to do machine learning and learning how to clear data is a bit like asking what the best way to become an award winning author with very neat penmanship is. One has nothing to do with the other. That said data engineering at scale pays a lot more than deep learning but is also a lot less fun. Figure out which you'd rather do.