love your visualizations @krstoffr - but this http://rpsychologist.com/d3/correlation/ implies a bit that corr relates to slope of line of best fit...?
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but, yeah, I could implement it more clearly if that's a common use case :)
Your viz would be better than mine (not easy to do dragable points in Shiny). If you could just add regressions stats, would be ideal.
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Thinking of: r, slope, intercept, mean prediction error, mean/median squared/absolute residual and so on.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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