Visualising predictive models in big data

I tweeted thus:

So, I’m writing a book on dataviz as you may know. I just wonder if there are new pieces of work out there where someone – maybe you – fitted a model of some kind (regression, trees, neutral network, whatevz) to a big dataset and then visualised it somehow. By big, I mean big, like too numerous to draw the individual data, so you had to do something like bin-summarise-smooth on it. But it’s also interesting if it was big, as in you had to do some kind of map-reduce of sufficient statistics just to get the model done. Perhaps you averaged over random samples, then drew densities of predicted values and residuals for all the data; that’s interesting too. You can email me if you prefer to remain secretive, or just comment and ask me not to approve it for public display.


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