Data Collection & Validation
We gather historical data on sales (or other performance KPIs) along with marketing spend broken down by channel, and any other relevant variables. This often includes promotional calendars, pricing changes, and external factors like seasonality, holidays, economic indicators, or competitor activities that might also influence sales. We rigorously validate and cleanse the data, aligning spend and sales to the same time periods and ensuring data quality (e.g. correcting any misaligned campaign dates or outliers).