Simply Statistics: On weather forecasts, Nate Silver, and the politicization of statistical illiteracy | Eur Ing Dr James P. Howard II Simply Statistics: On weather forecasts, Nate Silver, and the politicization of statistical illiteracy | Eur Ing Dr James P. Howard II

Dr James P. Howard, II
A Mathematician, a Different Kind of Mathematician, and a Statistician

Simply Statistics: On weather forecasts, Nate Silver, and the politicization of statistical illiteracy

Simply Statistics: On weather forecasts, Nate Silver, and the politicization of statistical illiteracy

simplystatistics:

As you know, we have a thing for statistical literacy here at Simply Stats. So of course this column over at Politico got our attention (via Chris V. and others). The column is an attack on Nate Silver, who has a blog where he tries to predict the outcome of elections in the…

I’ve revised your code for efficiency:

# Set initial parameters
percentObama = 0.505
sdObama = 0.01
n = 1000

# Simulate n elections
simulatedPercentObama = rnorm(n,mean=percentObama,sd=sdObama)

# Calculate the percent of times Obama wins
percentObamaWin = mean(simulatedPercentObama > 0.5)
percentObamaWin