Company: Emergent_13_feb
Difficulty: medium
2. Campaign Wave Analyzer IX Analytics, a leading digital ad effectiveness platform, helps digital marketers visualize campaign effectiveness over time through quantitative engagement scores. Brands notice that marketing campaigns often follow a classic wave pattern: Initial Curiosity: Engagement rises as new creatives are launched. Fatigue: Engagement drops as the ads become repetitive. Reinvigoration: Through retargeting or fresh creatives, engagement begins to rise again. IX wants to automatically identify and quantify the highest impact "campaign wave" in campaign history. In order to identify, their data scientists are developing a feature to help marketers spot the most impactful "campaign wave". A campaign wave is a continuous series of days—say, from Day l to Day r —that fits this structure: Between Day l and Day p , engagement climbs (new creative impact). Between Day p and Day q , engagement declines (audience fatigue). Between Day q and Day r , engagement recovers (retargeti