I am playing around with some thoughts on Wisdom of Crowd phenomena and wanted to do some analysis in R/Excel. Francis Galton pioneered this concept and I was hoping to use his dataset but I can't find it anywhere online; I thought there was a promising lead in a journal but I cannot access it without belonging to certain schools. Alternatively, I am looking for datasets that prove/display the Wisdom of Crowd effect along with the individual estimates of those surveyed and the correct value. I can't access journals/articles behind paywalls or that require you to belong to an institution. Thanks!
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As far as I can tell, Galton didn't publish the raw dataset but only a quantiles table, which you can transcribe from the pdf of his paper in Nature
Alternatively, in R
install.packages("openintro")
library(openintro)
data("penelope")
summary(penelope)
which has a "guess the weight of the cow" dataset.
Richard Careaga
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