more lectures

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2022-11-21 16:59:23 +02:00
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commit f7850cf2bb
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03112022.R Normal file
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#Here's how to do stuff to the power of other stuff.
une = 8^2
#And how to do a factorial ([num]!)
duex = factorial(100)
#Excresice from slide with wee buggers. Also, this thing autocorrects comments. Wee shite.
wee_buggers = factorial(6) * factorial(4)
# This is a multiply ^ and it is important
colorful_wee_buggers = factorial(4) * factorial(5) * factorial(6) * factorial(3)
# That is the arrangement of the groups ^
#Now, try being a bastard.
vectroful_wee_buggers = c(4,5,6)
for (wee_bugger in vectroful_wee_buggers) {
print(wee_bugger)
}

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flip.R Normal file
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count = 100
flip <- sample(c("head","tail"), count, replace =T, prob = c(0.75,0.25))
table(flip)
is_head <- flip == "head"
table(is_head)
#Each TRUE counts as 1, and FALSE as 0; thus you can figure out amount of heads.
sum(is_head)
freq <- c(1:length(is_head))
for (result in 1:length(is_head)) {
freq[result] <- sum(is_head[1:result])
}
rel_freq <- freq/1:length(is_head)
plot(rel_freq)
#####
a <- rep(0,count)
for (i in 1:count) {
a[i] <- i^2
}
#SEE cumsum