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Demand Forecasting: What It Is And Why It’s Important

December 10, 2019
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· 4 min read

This article was originally published at Algorithimia’s website. The company was acquired by DataRobot in 2021. This article may not be entirely up-to-date or refer to products and offerings no longer in existence. Find out more about DataRobot MLOps here.

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Demand forecasting is a common business practice for optimizing workflow in inventory, but it  actually has use cases across all industries even if it isn’t immediately clear. Let’s walk through how demand forecasting can be used and explore its value.   

What is demand forecasting?

Demand forecasting is a process that takes historical sales data and uses it to make estimations (or forecasts) about customer demand in the future. For enterprises, demand forecasting allows for estimating how many goods or services will sell and how much inventory needs to be ordered. 

Demand forecasting lays the foundation for many other critical business assumptions such as turnover, profit margins, cash flow, capital expenditure, and capacity planning. Demand forecasting is often associated with managerial economics and supply chain management, but it applies to every company in every industry. 

What are demand forecasting methods?

In order to forecast demand, we must have historical data on the market and past revenue, but the time span, the scope of the market, and other details can change the results. There are six common ways to calculate a demand forecast, but even these methods can be tweaked to meet the needs of a company. 

  • Passive – Passive demand forecasting is common in small businesses, because it is the simplest way to estimate future demand. In this method, only past demand performance is used to make predictions about future demand. This means it can be potentially inaccurate, but easier to calculate a result (ie. for the last 19 weeks, carrots sold at 13 cents a piece, therefore we can expect for them to sell at 13 cents this next week).
  • Active – Active demand forecasting is typically used by companies that are growing and expanding. The active method of predicting demand takes into account aggressive growth plans such as marketing or product development and also the general competitive environment of the industry.
  • Short-term – Short-term demand forecasting only predicts demand for three to 12 months in the future. This can give businesses an idea of what to expect within the next few quarters up to a year, but not longer. Seasonal demand is often calculated this way.
  • Long-term – Long-term demand forecasting is used to predict demand for more than a year in the future, often up to three or four years out. Marketing and product strategies are often based on this type of demand forecast.
  • External macro level – External demand forecasting is based upon the macroeconomics of the market and external environmental factors. These types of predictions drive internal business decisions, such as product portfolio evaluation and expansion and the development of new customer segments.
  • Internal business-level – Internal business-level demand forecasting takes into account only internal metrics such as revenue, costs of goods sold, profit margins, cash flow, etc. This does not take external data into account, so it makes forecasts based only on current business processes.
Success Story
Harris Farm Markets Taps DataRobot for Demand Forecasting
Learn More

Why is demand forecasting important?

Demand forecasting is a pivotal business process. Many strategic and operational tactics are based on this forecast, such as budgeting, financial planning, sales and marketing plans, and capacity planning. Because so many business decisions are contingent on demand forecasts, it is crucial to get an accurate prediction. Imagine if demand is predicted to grow, and the company is liberal with its yearly budgets as a result, but demand actually shrinks. 

Demand forecast calculations rely on a large amount of data, and are custom to a company’s specific situation, often making them proprietary. 

Many businesses rely on machine learning models to do the demand forecast calculation. This makes the forecast more accurate and reliable while saving human time that would otherwise be spent on manual calculations. 

The great thing about using machine learning for demand forecasting is that once the model is built to calculate a specific formula for future demand, it can update predictions as time passes. That way, there is always a real-time prediction available that includes any new data.

How Algorithmia can help

Demand forecasting is best done using machine learning, and Algorithmia provides the best machine learning framework available. Our serverless microservices architecture can help your team get their ML models up and running as quickly as possible by navigating around common roadblocks. 

The time and money invested in ML must demonstrate a business value to be worthwhile, and machine learning is a big investment. That’s why we want to help companies extract value from their ML investments sooner. Our framework can make that happen. Check out our product and see how it can help your organization make more accurate demand forecasts faster.

About the author
DataRobot

The Next Generation of AI

DataRobot AI Cloud is the next generation of AI. The unified platform is built for all data types, all users, and all environments to deliver critical business insights for every organization. DataRobot is trusted by global customers across industries and verticals, including a third of the Fortune 50. For more information, visit https://www.datarobot.com/.

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