QStep/LabWeek2.R at master · kho25/QStep · GitHub

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#Basic syntax
2+2
-3*5
(20-10)/2.5
7^2

abs(-10)
sqrt(81)
log(4)

log(8, base = 2)
round(123.456789, digits = 2)

x <- 7
y <- 4+4
my_name <- "Kelly Ho"

sqrt(x)
(x*y)/2

#Vectors and dataframes
primes <- c(2, 3, 5, 7, 11, 13, 17, 19, 23, 29)
terms <- c("Michaelmas", "Hilary", "Trinity")
one_to_ten <- 1:10
decimals <- seq (0,10, by = 0.1)
rep(terms, times = 10)

length(primes)
sum(primes)
mean(primes)
median(primes)
max(primes)
min(primes)

one_to_ten > 6

students <- c("Kelly", "Eleanor", "Yubo")
grade <- c(100, 20, 20)
pass <- grade >= 50
my_dataframe <- data.frame(students, grade, pass)

View(my_dataframe)

#Loading a dataset
brexit <- read.csv("brexit.csv")
View(brexit)
dim(brexit)
colnames(brexit)
summary(brexit)
head(brexit)