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What is Propensity Scoring?

18 July 2024 | Johari Lanng

Propensity scoring is a machine learning technique used to predict the probability of a user performing a specific action. It assigns a score to each user based on various behavioral and demographic factors. The higher the score, the greater the likelihood that the user will complete the desired action.

For example, an e-commerce store might use propensity scoring to determine which users are most likely to make a purchase within the next week. By analyzing historical data such as previous purchases, time spent on the site, and interactions with marketing emails, a model can generate a probability score for each user.

Why Small Businesses Should Use Propensity Scoring

Small businesses often operate with limited marketing budgets and resources, making it crucial to target the right audience effectively. Propensity scoring enables businesses to:

The Role of GA4 in Propensity Scoring

GA4 plays a crucial role in propensity scoring by collecting comprehensive user interaction data. It tracks user behavior across devices and sessions, providing valuable insights into engagement, conversion, and retention.

GA4's predictive metrics, such as purchase probability and churn probability, offer a starting point for businesses looking to leverage propensity scoring. However, for businesses that require customized models, GA4 integrates seamlessly with BigQuery, allowing advanced data analysis and model development.

How BigQuery Enhances Propensity Scoring

BigQuery, Google's cloud-based data warehouse, enables businesses to store, analyze, and process large datasets efficiently. When used in conjunction with GA4, it provides the computational power necessary to build custom propensity models.

Key benefits of using BigQuery for propensity scoring include:

Example of a Propensity Score Table

Below is an example dataset containing five users and their propensity scores extracted from BigQuery:

User ID Purchase Probability Total Spent
user_12345 0.85 $150.00
user_67890 0.60 $80.00
user_54321 0.30 $40.00
user_98765 0.15 $10.00
user_24680 0.90 $200.00

In this table, the 'Purchase Probability' column shows the likelihood of each user making a purchase soon. A higher probability, like 0.90 for user_24680, suggests they're very likely to buy, while a lower probability, like 0.15 for user_98765, indicates they're less likely to make a purchase.​

Understanding these scores allows businesses to tailor their marketing strategies:​

By leveraging propensity scores, businesses can focus their efforts where it matters most, ensuring marketing resources are used effectively to boost sales and customer satisfaction.

How Small Businesses Can Use These Scores

Conclusion

BigQuery provides small businesses with a powerful and flexible environment for performing propensity scoring. By leveraging GA4 data and BigQuery's machine learning capabilities, small businesses can gain actionable insights, enhance marketing strategies, and improve customer engagement.

With the right data and tools, small businesses can compete more effectively in a crowded marketplace. Propensity scoring allows for smarter decision-making, ensuring that marketing efforts are targeted and resources are used efficiently. By integrating GA4 with BigQuery, businesses of all sizes can harness the power of predictive analytics to drive growth and customer satisfaction.