| validate_character | R Documentation | 
This function checks whether a vector is a character and not of length zero or "".
validate_character(x)
| x | A vector. | 
Returns a character vector (if valid) or NA (if not valid).
validate_character(c("beginning", "progressing", "achieving", "excelling", "", NA, 7))
# [1] "beginning"   "progressing" "achieving"   "excelling"   NA            NA
# [7] "7"
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.