The Data Den

D3: A true bar chart with SVG rects Click me. Random D3 example. var n = 3000; var w = 600; var h = 600; var color =... [Read More]

Let’s say you have 10 models that you’d want to test and roughly all models have the same cross validation error distribution: the Cross Validation Mean Squared Error is normally distributed with mean = 3 and standard deviation equal to .2. Since CV error is an average of a bunch... [Read More]

I will be looking at data from the American Community Survey and try to find patterns in the way Americans date, marry and divorce. This is still work in progress but I figured I’d add some plots and maps to begin with. <a href="https://plot.ly/~apapiu/6/" target="_blank" title="Marital Status by Age"... [Read More]