DataFrame of time periods where cost and
media units are inconsistent (e.g., zero cost with positive media units,
or positive cost with zero media units).
outlier_df
DataFrame with outliers of cost per media unit, along with the
spend, and media units.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-05-05 UTC."],[],[]]