I have 100 samples, each of which has an real value of 1, 2, 3, or 4 for a characteristic (say C). I'll develop a few methods (say X, Y, Z) to measure C.
I generated data like this, hypothetically:
sampleName, expected_value, observed_value_by_X, observed_value_by_Y, observed_value_by_Z
S1...