Write a R program to create a list containing a vector, a matrix and a list and give names to the elements in the list. Access the first and second element of the list
- برمجة R
- 2021-09-05
- adonis77j
الأجوبة
list_data <- list(c("Red","Green","Black"), matrix(c(1,3,5,7,9,11), nrow = 2),
list("Python", "PHP", "Java"))
print("List:")
print(list_data)
names(list_data) = c("Color", "Odd numbers", "Language(s)")
print("List with column names:")
print(list_data)
print('1st element:')
print(list_data[1])
print('2nd element:')
print(list_data[2])
Sample Output:
[1] "List:"
[[1]]
[1] "Red" "Green" "Black"
[[2]]
[,1] [,2] [,3]
[1,] 1 5 9
[2,] 3 7 11
[[3]]
[[3]][[1]]
[1] "Python"
[[3]][[2]]
[1] "PHP"
[[3]][[3]]
[1] "Java"
[1] "List with column names:"
$Color
[1] "Red" "Green" "Black"
$`Odd numbers`
[,1] [,2] [,3]
[1,] 1 5 9
[2,] 3 7 11
$`Language(s)`
$`Language(s)`[[1]]
[1] "Python"
$`Language(s)`[[2]]
[1] "PHP"
$`Language(s)`[[3]]
[1] "Java"
[1] "1st element:"
$Color
[1] "Red" "Green" "Black"
[1] "2nd element:"
$`Odd numbers`
[,1] [,2] [,3]
[1,] 1 5 9
[2,] 3 7 11أسئلة مشابهة
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