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VIEWS

Learn from our fresh insights on the topics of:

Financial modeling
Data visualization
Business modeling

HOW ACCURATE ARE YOUR IRRs AND NPVs

The accuracy of your IRRs and NPVs depends to a large extent on the quality of the assumptions that go into the financial model. However, there is one element that also affects the accuracy of the calculations.
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AVOID CIRCULARITY IN FINANCIAL MODELS

Many finance problems inherently involve circular calculations. The most common of them is balancing the balance sheet. So how do we typically solve such kind of modeling problems?
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COMPARED WITH WHAT?

In his brilliant book Beautiful Evidence, Edward Tufte—nicknamed the Leonardo da Vinci of data by The New York Times—introduced six principles that he calls the fundamental principles of analytical design.
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TO FIND SEASONALITY USE CYCLE PLOTS

We've always been fascinated by the concept of “time”. It's probably the most important concept known to mankind and has long been a major subject of study in religion, philosophy, and science.
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LET’S TALK ABOUT YOUR CHALLENGES

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DATA VISUALIZATION

FINANCIAL MODELING

BUSINESS MODELING

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THE DANGER OF USING THE WRONG METRICS FOR POLICY MAKING

Adopted public policies affect everyone—they're called public for a reason after all. Nowhere is this truer than in the realm of defense policy.
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how-accurate-are-your-irrs-and-npvsavoid-circularity-in-financial-modelsanalytical-principles-compared-with-whatto-find-seasonality-use-cycle-plotshow-accurate-are-your-irrs-and-npvs

DON'T AVERAGE AVERAGES

It’s useful to distinguish two types of average measures: Simple average (or arithmetic average) and weighted average. Both—simple and weighted averages—are widely used in practice but each type is more appropriate to use than the other for certain purposes and applications.
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THE ECOLOGICAL CORRELATION FALLACY

If you ask a group of data analysts and data visualization experts to choose the most important chart type to display data, most probably “The scatterplot” would be the response you’ll get. And they have a point.
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BOOK REVIEW: THE FUNCTIONAL ART BY ALBERTO CAIRO

Outside the realm of hard sciences, I generally follow a simple heuristic to identify books worth reading. 1) Read books that have been in print for 15 years or so. 2) Break rule #1 for books written by authors who have in their portfolio at least one book that passes rule #1.
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