Tag Archives: homoskedasticity

Climate Statistics

httpness: (studying statistics) Can there be a different standard deviation up and down? isomorphisms: Yes. it’s called a semideviation. (Or a quasinorm.) There are a lot of people who argue that semideviations and quasinorms are more natural than standard deviation … Continue reading

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Hey! I made you some Wiener processes!

Check them out. Here are thirty homoskedastic ones: > homo.wiener <- array(0, c(100, 30))> for (j in 1:30) {  for (i in 2:length(homo.wiener)) {          homo.wiener[i,j] <-  homo.wiener[ i – 1, j] + rnorm(1)              … Continue reading

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