Billy Boyle Blog

Excel

  • On average, our customers have one breast and one testicle – the problem of forecasting

    The ‘Flaw of Averages‘ is alive and well in sales forecasting in CRM software. I have fallen in love with salesforce.com (big time) and have been playing about with the forecasting module; great, but is doesn’t capture the binary nature of a sales opportunity. If I have an opportunity for $100k and assign a subjective Continue reading

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  • Matching Initials

    Download the Excel Spreadsheet A while ago we noticed that our company has a surprising number of people with matching initials – whenever we were writing meeting minutes we would have to use an initial for the person’s middle name to distinguish them. Out of 18 people (as it was then) there we four pairs Continue reading

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  • Conway’s Game of Life

    The Game of Life is a cellular automaton devised by the British mathematician John Horton Conway in 1970. It is the best-known example of a cellular automaton – Wikipedia The universe of the Game of Life is an infinite two-dimensional orthogonal grid of square cells, each of which is in one of two possible states, Continue reading

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  • St. Petersburg Paradox

    Extracted from Wikipedia article – The St. Petersburg paradox is a paradox related to probability theory and decision theory. It is based on a particular (theoretical) lottery game (sometimes called St. Petersburg Lottery) that leads to a random variable with infinite expected value, i.e. infinite expected payoff, but would nevertheless be considered to be worth Continue reading

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About Me

An entrepreneurial engineer driven by patient impact. C0-founder and CEO of Owlstone Medical with a company mission to save 100k lives. I also try to support engineers and scientists and their start-up ideas.

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