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matcor
2012 Apr 09
1
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cor(datpat$Patents, datpat$FHouse)
# Conditional frequency count of data/time points by nation
by(datpat$Patents, datpat$Nation, length)
# Conditional correlations by nation
corbynation <- by(cbind(Patents = datpat$Patents, FHouse = datpat$FHouse),
datpat$Nation, cor)
length(corbynation)
natcor <- c()
for(i in 1:length(corbynation)){
natcor <- c(natcor,unlist(corbynation[i])[2])
}
par(mar=c(4.5,4.5,5.5,1))
plot(natcor, type="p", pch=20, cex=2, axes=FALSE,
main="Correlation of Patents and Freedom House Index by Nation",
xlab="Nation", ylab="Corr...