This function checks if an input is numeric and optionally checks if the values are within a specified range. Depending on the specified type, it will either throw an error, issue a warning, or send a message. Additional arguments allow for checking NA values, NULL values, and finite values.
validate_numeric(
input,
min = NULL,
max = NULL,
na_ok = TRUE,
null_ok = TRUE,
finite = FALSE,
type = c("error", "warning", "message"),
var_name = NULL,
calls = NULL
)NULL. The function is used for its side effects.
The data to be validated.
Optional. The minimum value for the range check.
Optional. The maximum value for the range check.
Logical. If TRUE, NA values are allowed. Default is TRUE.
Logical. If TRUE, NULL values are allowed. Default is TRUE.
Logical. If TRUE, only finite values are allowed. Default is FALSE.
A character string specifying the type of message to be displayed if the input is not numeric or if the values are out of range. Must be one of "error", "warning", or "message".
Optional. A character string giving the desired variable (or object) name that will appear in console output in place of the how the object will typically be named in messages via deparse(substitute(input)).
Optional. The number of callers to go back in the call stack for error messaging. If NULL, will default to 2.
Nicolas Foss, Ed.D., MS