Random Samples in R

random_samples.R

# Generates random numbers uniformly
histogram(runif(1:100000))

# Probabily of one numbe given a unifom random numbers
dunif(x= 8, min= 1, max=11)

# Samples
set.seed(1)
amostra = c("T","R","I", "A", "N", "G", "U", "L", "O")
sample(x = amostra, replace = FALSE)
sample(x = amostra, replace = TRUE)
sample(x = amostra, size = 5)
sample(x = amostra, size = 10, replace= TRUE, prob = c(1, 1, 5, 1, 1, 1, 1, 1, 5))

#Workin wih arqualiy

# Dimension
dim(airquality)

# Summary
summary(airquality)

# Sample
airquality[1:10,]

# OR
head(airquality, 10)

# Determined size, random
airquality[runif(min = 1, n= 10, max=nrow(airquality)),]