R: Change First Letters to Upper Case

upFirst {Hmisc} | R Documentation

## Change First Letters to Upper Case

### Description

Changes the first letter of each word in a string to upper case, keeping selected words in lower case. Words containing at least 2 capital letters are kept as-is.

### Usage

    upFirst(txt, lower = FALSE, alllower = FALSE)

### Arguments

`txt` | a character vector
`lower` | set to `TRUE` to make only the very first letter of the string upper case, and to keep words with at least 2 capital letters in their original form
`alllower` | set to `TRUE` to make every word start with lower case unless it has at least 2 caps

### References

http://en.wikipedia.org/wiki/Letter_case#Headings_and_publication_titles

### Examples

    upFirst(c('this and that','that is Beyond question'))

[Package Hmisc version 4.3-0 Index]