Predictive analyticsÂ works by learning the patterns that exist in your historical data, then using those patterns to predict future outcomes. For example, if you need to predict if a customer will pay late, youâll feed data samples from customers who paid on time and data from those who have paid late into your predictive analytics algorithm.

**>> Related: Predictive Analytics 101 <<**

The process of feeding in historical data for different outcomes and enabling the algorithm to learn how to predict is called the **training process**. Once your algorithm determines a pattern, you pass on information about a new customer and it will make a prediction.Â But the first step is deciding what predictive questions you want to answer.

**How do you know which predictive questions to ask?**

When determining a predictive question, the rule of thumb is to base it on what you want to do with the answer.Following that logic, if we want to predict the number of late payments in a certain time frameâinstead of if a particular person will pay late (as in the above example)âour predictive question should be: âHow many customers will make late payments next month?â

Letâs look at a slightly more complex example. If weâre forecasting volume for a call center, our predictive question might be: âHow many calls will I get tomorrow?â That is a **forecasting/regression questionÂ **(like the one in the example above). However, we could also ask a binary question such as: âWill I get more than 200 calls tomorrow?â That is a **classification questionÂ **because the answer will either be yes or no.

**The predictive question you should ask will depend on what you are going to do with the information. **If you have the staff to handle 200 calls, then you will likely want to know if youâll get 200 calls or not (so youâd ask the classification question). But if your goal is to identify how many calls you are going to get tomorrow so that you can staff accordingly, you would ask the forecasting question.

Letâs apply this rule to a different industry. If youâre in sales and your monthly goal is 250 sales referrals, you would ask a classification question such as: âWill I get 250 referrals or more next month?â But if you simply want to know your expected referral volume, without taking into consideration any monthly goals, then youâd ask the forecasting/regression question: âHow many sales referrals will I get in the next month?â

Over time, youâll be able to run multiple algorithms to pick the one that works best with your data, or even use an ensemble of algorithms. Youâll also want to regularly retrain your learning model to keep up with fluctuations in your data based on based on the time of year, what activities your business has underway, and other factors. Set a timelineâmaybe once a month or once a quarterâto regularly retrain your predictive analytics learning module to update the information.

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**Originally Posted at: Are You Asking the Right Predictive Questions?**