Tag Archives: random

http://c.brightcove.com/services/viewer/federated_f9?isVid=1&isUI=1 Somebody can kill you, at any time. (Source: http://c.brightcove.com/)

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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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Which of these pictures come from a random normal distribution and which come from a mixed distribution? plot(rnorm,-3,3); mix <- function(x) { rnorm(x)+rnorm(x-3) } plot(mix(x), -3,3);

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