November 2007
2 posts
Geocoding in Ruby
The Geocode Module
Have you ever needed to turn a partial address into a full one? Have you ever wanted to get the latitude or longitude for a particular address? Maybe you want to plot addresses on a Google Map, or maybe, like a colleague of mine, you find it redundant to ask for city, state AND zip when creating a form. If any of these apply to you, you might be interested in geocoding.
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Stats on Rails
The Stats Module
Have you ever had an array of numbers and needed to know if one was a statistical outlier? Ever needed the standard deviation of those numbers? Well, I was recently working on an app, where I did. I packaged up the functionality as the following Module.
z
end
def grubbs_outlier_test(value, mean, stddev)
((mean - value)/stddev).abs
end
def critical_z(n)
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