5.1 Introduction to Non‐Ideal Data: Effects and Conditioning5.2 Heuristic‐Based Approach Applied to Non‐Ideal CBD Signatures5.3 Errors and Non‐Ideality in FFS Data5.4 Heuristic Method for Adjusting FFS Data5.5 Summary: Non‐Ideal Data, Effects, and ConditioningReferencesFurther Reading