Convert String to Integer in R Programming – strtoi() Function Improve Improve Like Article Like Save Share Report strtoi() function in R Language is used to convert the specified string to integers. Syntax: strtoi(x, base=0L) Parameters: x: character vector base: integer between 2 and 36 inclusive, default is 0 Example 1: # R program to illustrate # strtoi function # Initializing some string vector x <- c("A", "B", "C") y <- c("1", "2", "3") # Calling strtoi() function strtoi(x, 16L) strtoi(y) Output : [1] 10 11 12 [1] 1 2 3 Example 2: # R program to illustrate # strtoi function # Calling strtoi() function over # some specified strings strtoi(c("0xff", "023", "567")) strtoi(c("ffff", "FFFF"), 16L) strtoi(c("246", "135"), 8L) Output: [1] 255 19 567 [1] 65535 65535 [1] 166 93 Last Updated : 01 Jun, 2020 Like Article Save Article Previous Getting String Representation of the given Date and Time Object in R Programming - strftime() Function Next Extracting Substrings from a Character Vector in R Programming - substring() Function Share your thoughts in the comments Add Your Comment Please Login to comment...