Subsequence letters using range operation
We can get the subsequence of letters using the index. Index starts with 1 and ends with 26 (since there are 26 letters from a to z). We are getting from letters/LETTERS function.
Syntax:
letters[start:end]
LETTERS[start:end]
Where, start is the starting letter index and end is the ending letter index.
Example: R program to get subsequence letters using index
R
# return all upper case letters from # index 1 to index 12 print(LETTERS[1:12]) # return all lower case letters from # index 1 to index 12 print(letters[1:12]) # return all upper case letters from # index 5 to index 26 print(LETTERS[5:26]) # return all lower case letters from # index 5 to index 26 print(letters[5:26]) |
Output:
[1] “A” “B” “C” “D” “E” “F” “G” “H” “I” “J” “K” “L”
[1] “a” “b” “c” “d” “e” “f” “g” “h” “i” “j” “k” “l”
[1] “E” “F” “G” “H” “I” “J” “K” “L” “M” “N” “O” “P” “Q” “R” “S” “T” “U” “V” “W” “X” “Y” “Z”
[1] “e” “f” “g” “h” “i” “j” “k” “l” “m” “n” “o” “p” “q” “r” “s” “t” “u” “v” “w” “x” “y” “z”
Sequence of Alphabetical Character Letters from A-Z in R
In this article, we are going to discuss how to get a sequence of character letters from A-Z in R programming language.
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