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News & Events

The Power of Decisions: Analytical Decision Management

 

News & Events

December 7, 2015

By Justin Croft

A great way to explain the analytics maturity and value curve is to use the idea of descriptive, predictive, and prescriptive analytics. Analytics consultants and thought leaders love to frame the field in these terms, if for no other reason than to give a broad, important topic some structure. In a nutshell, let me define these concepts:

  • Descriptive Analytics is backwards looking and focuses on telling users what happened. Examples of questions that descriptive analytics can answer are how many, when and where? Traditional Business Intelligence tools like Cognos BI excel in this area.
  • Predictive Analytics is about predicting what comes next. By leveraging historical data and predictive algorithms, users can create models to predict the likelihood of future outcomes. This opens up huge new ways of operating for businesses. Now they know the answer to questions like: Who will buy this product? Who will default on a loan? What message would be most effective for this consumer? Tools like SPSS Modeler are the focus here.
  • Prescriptive Analytics takes predictive one step further by suggesting the best action to take within a business context to give a business the best chance of achieving their goals. This takes the form of decisions: Which marketing campaign should I sent to a customer? How much inventory should I stock to prepare for expected demand

Plenty has been written about these degrees of maturity and the business value that they can create. Anyone reading this blog is familiar with descriptive/BI and predictive modeling. But how does one go from just predictive into the realm of prescriptive analytics? What’s the secret to success at that level? That’s where IBM Analytical Decision Management comes into play.

IBM Analytical Decision Management (ADM for short) is IBM’s answer to this transition. ADM is available through IBM SPSS Modeler Gold and it combines three core capabilities – the ability to manage business rules, predictive models and optimization. Let’s take a look at each of these and see how the magic happens.

Business Rules + Predictive Models

Business rules and predictive models are very different things – the former is a seemingly subjective, arbitrary condition that must be met. Rules can be driven by corporate fiat, industry tradition or regulatory mandate. The later – predictive models – are the height of objective reasoning, indicating a probability of a future outcome based on historical data.

The reality is that businesses need both – and they should work together but be kept separate. An insurance company can build a predictive model to get the probability of someone making a claim before the policy is issued. But that predictive model won’t (and shouldn’t) consider the fact that the company’s reinsurer has placed new risk thresholds on their portfolio which may preclude some policies from being profitable. By combining these two factors together, the insurance company can make a repeatable, justifiable and profitable decision.

Optimization

This is the general term for the prioritization or selection of actions in order to meet a mathematical outcome. Optimization is a cornerstone of management science and modern industry couldn’t function without it. Optimization can help a company determine the best way to reroute planes after a storm, how to pack merchandise on a truck and much, much more.

IBM Analytical Decision Management allows a user to use an optimization equation which essentially defines what outcome they are trying to achieve. This might be the steps needed to maximize revenue, , or to maximize a marketing campaign’s profitability. And importantly, ADM lets you define these terms using a mixture of predefined rules and predictions. This way your optimization can be done dynamically.

Climbing the Continuum

When combined with predictive analytics, optimization is ultimately what moves a company along the maturity continuum – from predictive into prescriptive. It is this mixture that moves a user from making a prediction towards taking action on a prediction.

ADM automates decisions throughout the organization by selecting an ideal action to be taken. This decision is then consumed at many levels throughout the organization – by retail sales employees, by insurance agents, call center staff, and more. All these groups can benefit by having their normal work supplemented and improved by an infusion of analytics.

Traditional BI and even predictive analytics produce an output which must be studied and understood for insight to be drawn and for the proper action to be taken. The complexity and domain knowledge required in this step ultimately limits the end “consumer” of insight. ADM democratizes analytics, making it easier for regular employees to consumer analytics and benefit from insight drawn from advanced analytics. And that’s the real power of decisions.

Author

  • Justin Croft
    Justin Croft

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