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[Revolutionizing FP&A: Leveraging Probabilistic Forecasting and Small Data AI]-[The Chief Forecaster will See You Now-Nate Kaemingk]

FP&A Today · B2 · 2024-11-26

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📋 Summary

Transforming Financial Planning with Probabilistic Forecasting

In the latest episode of FPA Today, host Glenn Hopper sits down with Nate K. Mink, a former mechanical engineer turned CFO and founder of Better Forecasting. The conversation delves into the evolution of financial planning and analysis (FP&A), emphasizing the transition from traditional, deterministic budgeting to sophisticated, AI-driven probabilistic forecasting.

The "Small Data" Challenge in Finance

Nate highlights a fundamental misconception in the industry: the attempt to apply "Big Data" machine learning techniques—often used in sales and marketing—to financial datasets. He defines Big Data as sets with over 1,000 data points, whereas financial statements, typically consisting of monthly snapshots, rarely reach this threshold.

"In financial forecasting, we don't have big data. If I have five years of financial statements, I have five Octobers," Mink explains. Because of this, standard libraries like Facebook's Prophet—often used by finance teams learning Python—can produce misleading results. These tools rely on statistical assumptions valid only for large datasets, which leads to a significant risk of error when "shoehorned" into the small-box environment of financial statements.

Rethinking the Annual Budget vs. Rolling Forecast

A major theme of the discussion is the confusion between a budget and a forecast. Mink introduces the term "BAAF"—Budget As A Forecast—which he describes as a common, baffling mistake.

He breaks down the budget into four components: the Target (consensus-based goal), the Forecast (expected outcome), the Plan (strategic changes to achieve the goal), and the Expected Outcome of the Plan.

According to Mink, a rolling forecast should act as a neutral indicator of the current trajectory. "The forecast is the peer; this is the trajectory we're on if we don't make any changes." By separating the forecast from the budget, finance leaders can identify gaps early, allowing for proactive course correction rather than ignoring reality until it is too late. "Bad news early is good news," he asserts, because it provides management the necessary lead time to adjust business levers.

Moving Upstream with Driver-Based Models

To provide true strategic value, Mink advocates for moving "upstream" in the business—analyzing the root causes of financial results rather than merely reporting them. He points to metrics like Days Sales Outstanding (DSO) as an example. Instead of relying on a simple five-year average, which ignores current market trends, he suggests using inferential statistics to identify trends in customer behavior, such as a shift from 47 to 52 days.

By leveraging AI to automate the "heavy lifting" of these driver-based models, FP&A professionals can transition from being mere "bean counters" to strategic partners. Mink’s platform, Better Forecasting, is designed to handle this mathematical complexity, allowing finance teams to achieve higher accuracy without needing a PhD in statistics or constant manual updates in Excel.

The Future of Explainable AI in Finance

Despite his enthusiasm for technology, Mink warns against the "black box" approach. He stresses that for any AI-generated forecast to be presented to a board or executive team, it must be explainable.

"If you understand something well enough, you'll be able to explain it simply," he notes, quoting Einstein. The goal of modern FP&A tools should not be to replace human judgment, but to augment it by providing clear, data-backed rationales for every projection. As the industry continues to integrate AI, the burden remains on finance professionals to understand the methodology behind their models, ensuring they can defend their numbers against scrutiny and avoid the pitfalls of relying on tools they do not fully comprehend.

🎯Key Sentences

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starting with the heavy hitters here.
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Yeah, let's go right in.
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So there's maybe a need that I can fulfill here.
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I guess what you're saying is we have to have a different approach.
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I always wanted to start a business.
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📝Key Phrases

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heavy lifting
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keep pace with
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off topic
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to your point
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data-driven decisions
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📖 Transcript

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