Vector selection, another way of selection

R Programming Language / Vector in R Language

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Program:

# Poker and roulette winnings from Monday to Friday:
poker_vector <- c(140, -50, 20, -120, 240)
roulette_vector <- c(-24, -50, 100, -350, 10)
days_vector <- c("Monday", "Tuesday", "Wednesday", "Thursday", "Friday")
names(poker_vector) <- days_vector
names(roulette_vector) <- days_vector

# Define a new variable based on a selection
roulette_selection_vector <- poker_vector[2:4]

# See result
roulette_selection_vector

Output:

> # Poker and roulette winnings from Monday to Friday:
> poker_vector <- c(140, -50, 20, -120, 240)
> roulette_vector <- c(-24, -50, 100, -350, 10)
> days_vector <- c("Monday", "Tuesday", "Wednesday", "Thursday", "Friday")
> names(poker_vector) <- days_vector
> names(roulette_vector) <- days_vector
> 
> # Define a new variable based on a selection
> roulette_selection_vector <- poker_vector[2:4]
> 
> # See result
> roulette_selection_vector
  Tuesday Wednesday  Thursday 
      -50        20      -120 

Explanation:

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