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Understanding the Bayesian average is one thing. Understanding how to calculate it is something different. Understanding how to apply it is something in a whole other league. So here’s a quick and simple case study regarding product feedback and comparing aggregate product ratings using Bayesian statistics. Situation Your widget factory produces three different widgets and
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A traditional average is easy to understand. If you take a group of people, add their heights together and divide by the number of people in the group, you know the average height. A simple average is a relatively easy way to create a prediction for future behavior – in many cases, you can reasonably
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Most statistics are based on solid, static data. The average for a group of numbers is independent of what numbers are actually included in the group. Statistics give us a snapshot of our data so we can make high-level decisions based on it without knowing the details of each discrete measurement. This simplicity makes statistics
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In our careers as marketers we are often presented with problems that require some kind of statistical analysis. One of the most frequently-faced issues is that of content or quality ratings. Let’s say your company produces 5 different widgets. You ask 100 of your customers to rate these widgets and ask them to rate all
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In a world where everyone is increasingly concerned with the ability of media to be personalized, it’s only obvious that we’d start turning to “virtual” libraries rather than real ones. Who wants to peruse stacks of off-topic books when a computer could just display the most relevant material? Searching becomes easier, and our time is
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Everyone has a website these days, but how effectively are they executed? Do they look the same on different computers? More importantly, will they stand the test of your users? No matter how you design your site, people will try to use it differently. If you try to build it specifically to work in Internet
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Today’s post is brought to you live from the WordCamp event in Portland, Oregon. Stay tuned throughout the day for updates! 9:00am And it begins … welcome to the second annual WordCamp Portland, hosted in the downtown offices of WebTrends right next to Pioneer Courthouse Square. 9:15am The first door prize giveaway. They’re giving out
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Everything in business has its own set of rules – unbreakable guidelines we follow to create a killer product, write an amazing app, or deliver a remarkable service. The following are the Ten Commandments of web design. Following these rules will help you create an amazing website for your business. Do not abuse Flash Yes,
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Nothing can ever be truly secure. The best we can muster is the illusion of security – create a veil through which our world looks private and closed off from the idle hands of those who would disrupt it. I’ve been working quite a bit on website development lately, and I’ve been thinking a lot
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I wrote my first computer program when I was 10 years old. It wasn’t much – it ran on DOS, only displayed a few lines of text, and took forever and a half for me to figure out. Oddly enough, I was so jazzed about programming that I announced to my parents that I wanted