readERF: Read Ecotopes References File
Description
This function reads and checks files with reference valuesDetails
The function performs the following tasks: - checks the existence of
filename;
- checks availablitity of required columns (case
insensitive);
- removes redundant spaces
- removes duplicated records
References
Van Loon, W, 2013. Loon2013-BEQI2-Specs-Ecotopes-27nov.doc