Parse comma-separated numeric string to vector

Parses a text string containing comma-separated numeric values into a numeric vector. Used for parsing user input for line intercepts, slopes, etc.

Usage

parse_numeric_list(text)

Arguments

text

Character. A string containing comma-separated numeric values (e.g., "1, 5, 8").

Value

A numeric vector of parsed values, or NULL if input is empty/invalid.

Details

Whitespace around values is trimmed. Non-numeric values are converted to NA. If all values are NA or the input is empty, returns NULL.

Author

Jared Andrews

Examples

parse_numeric_list("1, 5, 8")
#> [1] 1 5 8
parse_numeric_list("")
#> NULL