Retrieve the value of an attribute column.

Retrieve the value of an attribute column.

Usage

getAttributeColumn(object, attr_name, warn_missing = c("attr", "column"))

Arguments

object

The object to extract the attribute value from.

attr_name

The name of the attribute to extract

warn_missing

Give a warning if the "attr"ibute or "column" is missing. Character vector with zero, one, or both of "attr" and "column".

Value

The value of the attribute (or NULL if the attribute is not set or the column does not exist)