This function adds a new column length_cm to the input table (d),
computed based on LengthCode and LengthClass (or their alternative names).
Usage
dr_add_length_cm(d, LengthCode = LengthCode, LengthClass = LengthClass)
Arguments
- d
A dataframe or DuckDB table containing at least two columns:
a column for LengthCode and a column for LengthClass.
- LengthCode
The column specifying the length code (unquoted).
Defaults to LengthCode.
- LengthClass
The column specifying the length class (unquoted).
Defaults to LengthClass.
Value
The input table with an additional column length_cm.