Yes, it covers all "processing", meaning "any operation or set of operations which is performed on personal data or on sets of personal data, whether or not by

Yes, it covers all "processing", meaning "any operation or set of operations which is performed on personal data or on sets of personal data, whether or not by automated means, such as collection, recording, organisation, structuring, storage, adaptation or alteration, retrieval, consultation, use, disclosure by transmission, dissemination or otherwise making available, alignment or combination, restriction, erasure or destruction". Applying some ML algorithm to personal data certainly fits.