Welcome to episode 2 of the Datinuum Podletter.

In this week's Podletter, Eric covers four topics.

Data Unfiltered - Track the Right KPIs

• Eric dives into the topic of Key Performance Indicators (KPIs).
• Highlights the significance of KPIs in assessing business health and industry comparisons.
• Discusses the common pitfalls of tracking the wrong KPIs or too many of them.
• Defines a "wrong KPI" as one that doesn't measure outcomes and changes too frequently.
• Advocates shifting the conversation from "how" to "why" to assess data's true importance.
• Proposes more effective KPIs, such as daily active users per dashboard type and error percentage by data model.
• Emphasizes that the most critical KPIs should be long-lasting and not reactive.

Data in the World

In this segment, Eric highlights recent developments in data and technology, including:

• Discusses Microsoft's release of Phi-2, a small language model, and its significance.
• Highlights OpenAI's prompt engineering guide and the evolving field of prompt-based generative AI.

Data Histories - The Quadratic Formula and Quadratic Equations

• Explores the real-life applications of quadratic equations.
• Delves into the origins of the quadratic formula.
• Credits Flemish mathematician Simon Stevin for popularizing decimal numbers and approximating algebraic equations.
• Discusses Stevin's contributions to mathematics, including trigonometry, architecture, and gravity experiments.
• Mentions the Delft tower gravity experiments conducted by Stevin and John Cornets de Groot in 1586.

The Datinuum number for the week is 61.

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