Created
June 6, 2012 18:32
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post on jetsetter competition
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| require(ggplot2) | |
| png("images/2012-06-04-playing-for-3k-share-or-no-share/pwinning.png") | |
| y <- c() | |
| for (x in 1:40) y <- c(y, x/(x+1)) | |
| d <- data.frame(friends=1:40, prob_winning=y) | |
| ggplot(d, aes(friends, prob_winning)) + geom_point(size=3) + ylab("P(winning)") + xlab("# Invited Friends") | |
| dev.off() | |
| png("images/2012-06-04-playing-for-3k-share-or-no-share/prob_friends.png") | |
| y <- c() | |
| for (x in 0:29) y <- c(y, 2/(x+2)) | |
| d <- data.frame(pwinning=y, days=1:30) | |
| ggplot(d, aes(days, pwinning)) + geom_point(size=3) + xlab("Day #") + ylab("P(winning)") | |
| dev.off() | |
| png("images/2012-06-04-playing-for-3k-share-or-no-share/prob_friends_two.png") | |
| y <- c(1) | |
| for (x in 1:29) y <- c(y, 3/((2^x) + 3)) | |
| d <- data.frame(pwinning=y, days=1:30) | |
| ggplot(d, aes(days, pwinning)) + geom_point(size=3) + xlab("Day #") + ylab("P(winning)") | |
| dev.off() |
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