All input files must have the following column headers, spelled exactly this way, including capitalisation. The data file may have other columns, and the order of columns is not important, but the columns containing these values must have these names:

a.	Cover_Estimate
b.	FHD_01
c.	FHD_02
d.	FHD_03
e.	FHD_04
f.	FHD_05
g.	FHD_06
h.	FHD_07
i.	B_Standard
j.	B_Sample
k.	Diversity_Level
l.	Bag_Mass
m.	Foliage_Mass