Beyond Data — Investigative Data Journalist

Filed under data-science

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  • Why Data Science Projects Fail and How to Avoid It

    Not long ago, I sat with an apartment owner who had taken over 144 units. There were 15 vacant, 12 on move-out notice, and four evictions for the end of the month. If the notices and evictions were to go through, the occupancy rate would be at 78 percent.

    DEC 23 SERGIO FETTER

  • Pareto Analysis in Action: Optimizing Multifamily Maintenance Operations

    Italian economist Vilfredo Pareto found that 20% of Italy's population received 80% of the country's income. This became known as Pareto's principle, also known as 80/20 rule.

    NOV 10 SERGIO FETTER

  • Frequentist vs Bayesian A/B Testing Thinking

    Every business decision is a gamble—some just have higher stakes than others. Personally, I tend to be decisive and rarely get lost in "what ifs." Now, in business, the infinite possibilities are always screaming for attention.

    SEP 25 SERGIO FETTER

  • The Last Mile Problem in Data Science Communication

    The crowded conference room, filled with dark suits, looked at me blankly. Somewhere along the way, I had lost my audience. It was not until I went back a slide that I was able to pinpoint the culprit.

    SEP 18 SERGIO FETTER