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#!/usr/bin/env Rscript
v <- c(1:10, seq(11, 20, by = 2))
typeof(1)
typeof(1L)
typeof(v)
typeof(as.integer(v))
head(v)
str(v)
plot(v)
save.image(file = "abc.Rdata")
v <- seq(1, 10, by = 0.5)
v
load("abc.Rdata")
v
v <- c("a", "b", "c", "b", "a")
f <- factor(v)
func <- function(x, y = 0) {
return((x * x) + y)
}
func(y = 3, 5)
m <- matrix(c(1:6, 11:13), nrow = 3, ncol = 3, byrow = TRUE)
m
m[2:3, 1:2]
df <- data.frame(a = c(1:5), b = c("a", "b", "c", "d", "e"))
df$a
df$b
df[df$a > 2, ]
q("no")
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