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Field notes are notes I leave myself as I go through my day to day work. The hope is that other people will also find these notes useful. Note that these notes are unfiltered and unverified.

Domain Expertise


TJ Palanca


August 7, 2022

Data professionals work in multiple fields, and may usually move from one industry to another in the course of their work. This usually means that they will have to consider domain expertise or domain knowledge in their work, which may or may not involve other people in their respective organizations.

22.1 Motivation

22.1.1 When is domain expertise important?

The degree to which domain expertise must be considered is dependent on:

  • the degree to which the problems are “data complete”, which also decides the level to which one needs to rely on domain expertise to arrive at some conclusion, and
  • the amount of expertise that has accumulated for that particular domain.