June 2016
Beginner to intermediate
398 pages
8h 51m
English
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Winning the lottery
Let us look at the lottery numbers from Britain from the last seven months. With some tricks we can grep them from the Internet:
library("RCurl") URL <- "https://www.national-lottery.co.uk/results/euromillions/draw-history/csv" lotto <- read.csv(textConnection(getURL(URL)))
The structure of these data sets is as follows:
str(lotto) ## 'data.frame': 52 obs. of 10 variables: ## $ DrawDate : Factor w/ 52 levels "01-Apr-2016",..: 24 18 12 6 49 45 37 33 25 21 ... ## $ Ball.1 : int 7 2 32 8 4 10 17 11 13 1 ... ## $ Ball.2 : int 15 26 34 23 5 17 26 14 14 5 ... ## $ Ball.3 : int 28 27 40 24 25 31 32 15 32 9 ... ## $ Ball.4 : int 31 40 45 34 28 32 34 27 37 22 ... ## $ Ball.5 : int 42 49 48 38 43 42 43 44 48 38 ... ## $ Lucky.Star.1 ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.