Measurements of LH concentrations at different concentrations, for two instruments.
data(LHconc)
A data frame with 36 rows and 4 columns:
Instrument 1 measurement of luteotropichormone (LH) concentrations at a high level, in mIU/ml
Instrument 1 measurement of LH concentrations at a middle level, in mIU/ml
Instrument 2 measurement of LH concentrations at a high level, in mIU/ml
Instrument 2 measurement of LH concentrations at a middle level, in mIU/ml