It shouldn’t be used as a unitary measure, but can be included in a combined measure, which is likely to correlate better.
That’s nearly true by definition for imperfect proxys. They don’t carry all the information so you can improve on them by using other measures.
It shouldn’t be used as a unitary measure, but can be included in a combined measure, which is likely to correlate better.
That’s nearly true by definition for imperfect proxys. They don’t carry all the information so you can improve on them by using other measures.