26th Sep 2025
Cleaning & Preprocessing Your Marketing Data
Devansh SinghMarketing data is messy; there's no polite way to put it. Whether you’re pulling reports from Google Ads, Facebook, CRM systems, or offline sales, the data usually comes with duplicates, missing values, inconsistent formats, or even outright errors. Before you can run attribution models, Marketing Mix Modelling (MMM), or customer segmentation, your data needs to be clean, structured, and reliable. Think of it as prepping ingredients before cooking. If the vegetables aren’t washed and chopped properly, the final dish won’t turn out right.