Questions tagged [wald-test]

Hypothesis test based on the approximate normal distribution of the maximum likelihood estimator.

See https://en.wikipedia.org/wiki/Wald_test

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Statistical difference per group

I am calculating elasticities per income quintiles. I have 10,000 observations of elasticities calculated for each quintile, so a dataset of 5*10,000. I would like to test whether the elasticities are stat. different per income-group. How should I…
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Wald test explanation

Can someone explain to me what a Wald test is please. I have seen it twice today and cannot figure out what it does (other than test for sig difference like a t-test or chi-square). What would you use it for, and what makes it the right test to…