HI stands for haploinsufficient. The dataframe is composed of:
orf
Yeast ORF, systematic name
gene
Yeast common gene name of the corresponding ORF
go
GO terms
References
Deutschbauer AM, Jaramillo DF, Proctor M, Kumm J, Hillenmeyer ME, Davis RW,
Nislow C, Giaever G. (2005) Mechanisms of haploinsufficiency revealed by genome-wide profiling in yeast.
Genetics. 169(4):1915-25.