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What Is Predictive Analytics? Forecasting the Future using Data

Hanna Lorenzer

Tue Jul 01 2025

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Table of Contents

  • Data Is the New Capital
  • From Data Overload to Decision Support
  • How Predictive Analytics Works
  • Where Predictive Analytics Is Effective today
  • Opportunities and Risks of Predictive Analytics
  • Where Is Predictive Analytics Headed?
  • Conclusion

Predictive Analytics enables companies to predict future developments based on existing data. Learn how the method works, what opportunities it offers – and how it can help you make better decisions.

Data Is the New Capital

In the modern business world, data is everywhere – on websites, in machines, customer profiles, supply chains and social networks. But simply collecting data is no longer enough. What matters is what companies do with this data. Those who merely store it leave its potential untapped. But those who analyse it can draw valuable conclusions. And those who interpret it proactively can anticipate markets, identify customer needs, avoid risks and gain competitive advantages. Predictive Analytics offers exactly that: a data-driven view of the future. According to Gartner, predictive analytics is now one of the most important strategic technologies in the business world.

In a world that is increasingly dynamic and uncertain – with supply bottlenecks, skills shortages, geopolitical tensions and changing consumer habits – accurate forecasts are becoming a strategic success factor. Predictive Analytics is therefore not just a fashionable term, but a key technology for anyone who wants to base their decisions on evidence rather than gut feeling.

From Data Overload to Decision Support

The term ‘Predictive Analytics’ refers to a process in which historical data, statistical methods and machine learning techniques are used to make predictions about future events. This is not a matter of simple trend analyses, but rather complex models that recognise patterns, calculate probabilities and derive concrete recommendations for action.

A classic example: a company wants to know which customers are likely to leave in the next six months. It feeds data such as purchase history, contact behaviour, website visits and complaints into a model. The system recognises which behavioural patterns led to cancellations in the past – and uses this to identify similar developments in the present. This makes it possible to take timely action, for example through targeted offers or proactive advice.

Predictive Analytics can thus be understood as an interface between the past and the future. It is data-based but focused on the future. This makes it particularly valuable for strategic and operational decisions.

How Predictive Analytics Works

Predictive Analytics is not a plug-and-play system, but rather a structured process comprising several phases. It always starts with the question: What exactly do I want to predict? A precise definition of the objective is essential, because only those who know what they want to know can build the right model.

Once the goal has been defined, the next step is data collection. This is not just about quantity, but above all about the quality of the data. Companies draw on internal sources – such as CRM, ERP or production data – but are increasingly combining these with external data: weather data, demographic information, social media data or market research results. According to McKinsey, high performers systematically use external data sources to optimise their forecasts. This diversity enables a more comprehensive picture.

This is followed by data cleansing, an often underestimated but extremely important step. Duplicates, missing values, outliers or inconsistent formats can severely impair the validity of a model. Only clean data enables reliable forecasts.

Various mathematical and statistical methods are used in the modelling phase. Classic methods such as regression analysis are supplemented by machine learning – for example, decision trees, random forests or neural networks. Depending on the question, data situation and target group, the models are trained, tested and adapted – an iterative process that requires time and expertise.

After validation, the model can be transferred to the application – for example, by integrating it into dashboards or operational systems. Important: A model is never ‘finished.’ Markets change, people change their behaviour, data sources change. Good predictive analytics strategies therefore provide for continuous model maintenance.

Steps of how Predictive Analystics is implemented and works

Where Predictive Analytics Is Effective today

In recent years, Predictive Analytics has developed from a specialised topic for tech giants into a widely applicable tool. It is particularly widespread in the following areas:

Marketing and sales: Companies such as Amazon and Zalando analyse the behaviour of their users and can predict very accurately which products a particular customer is likely to buy. This information can be used to create personalised recommendations and targeted campaigns, which increases customer satisfaction and conversion rates.

Production and logistics: Predictive maintenance is a key concept in Industry 4.0. Sensors collect data on temperature, vibration, power consumption and flow rates. Predictive analytics models use this data to identify patterns that indicate an impending failure, enabling maintenance work to be carried out in good time before costly downtime occurs. According to a study by PwC, predictive maintenance systems can thus significantly reduce maintenance costs.

Finance: Banks and insurance companies use Predictive Analytics to assess the risk of borrowers, detect insurance fraud, and optimise their portfolio strategies. In the area of fraud detection in particular, AI models can identify suspicious transactions in real time and react immediately.

Healthcare: Hospitals and insurers use predictive models to forecast the likelihood of relapses, the risk of complications or the course of treatment. The goal is to provide more personalised, efficient and timely care.

Public sector: Public authorities are also increasingly relying on Predictive Analytics – for example, to optimise traffic flow, assess crime probabilities or forecast demand in healthcare and education.

Opportunities and Risks of Predictive Analytics

Predictive Analytics offers enormous potential, but also harbours risks that cannot be ignored. The biggest advantages include:

  1. Better decisions: Well-founded forecasts enable companies to reduce uncertainty and plan more effectively.
  2. Greater efficiency: Processes can be optimised, resources used more effectively and maintenance cycles better controlled.
  3. Competitive advantages: Those who respond faster, more accurately and more individually stand out positively in the market.

However, it is important to remember that a model is only as good as the data on which it is based. Distorted, outdated or incomplete information can lead to false conclusions. Ethical issues are also playing an increasingly important role: How transparent are the models used? Can they discriminate? And how can their decisions be made transparent? In its AI Act, the European Commission emphasises the need for transparency and traceability in algorithmic decisions.Companies should therefore invest not only in technology, but also in data ethics, governance and further training. This is the only way to use the potential of Predictive Analytics responsibly and sustainably.

Scale with (dis)advantages of Predictive Analytics

Where Is Predictive Analytics Headed?

The next step is full integration into business processes – and as automated as possible. AutoML (Automated Machine Learning) already allows systems to independently create, test and improve models. This lowers the barriers to entry and significantly accelerates projects.

Another trend is ‘explainable AI’: since many AI models function as black boxes, it is becoming increasingly important that predictions are also explainable – for example, for internal decision-making, regulatory requirements or customer transparency. The research field ‘Explainable AI’ (XAI) is therefore being intensively promoted, for example by the German Research Centre for Artificial Intelligence (DFKI).

In the long term, Predictive Analytics will be an integral part of a more comprehensive data ecosystem. Companies that start using it today are laying a solid foundation for future developments – from artificial intelligence to autonomous decision support.

Conclusion

”If you want to understand the future, you have to start with data today.”

Predictive analytics is more than a technical tool – it is a strategic mindset. Those who begin to systematically learn from their data and proactively shape future developments not only gain operational advantages, but also a new quality of decision-making. The technology is not an end in itself, but a tool for asking better questions – and finding better answers.

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