index2abc: Get the alphabetical colnames corresponding to numbers...

In JK-junkin/frabento: FRAgmentary BENri TOols

Get the alphabetical colnames corresponding to numbers (indices)

Description

This function supports nchar up to 4 (ZZZZ), i.e. the upper limit of number is 475,254.

Usage

index2abc(num, nchar = 4L)

Arguments

num	an integer vector which is converted to alphabets.
nchar	an integer used for creating an alphabetical name base. Default: 4L.

Value

a character vector

Examples

index2abc(num = 5)        # "E"
index2abc(num = 10^(1:5)) # "J" "CV" "ALL" "NTP" "EQXD"
## Not run: 
 index2abc(num = 500000)   # Error. due to exceeding sum(26^(1:4))

## End(Not run)

JK-junkin/frabento documentation built on Oct. 20, 2023, noon