UTEST: Stata module to test for a U-shaped relationship
Jo Lind () and
Halvor Mehlum ()
Statistical Software Components from Boston College Department of Economics
utest provides the exact test of the presence of a U shaped (or inverse U shaped) relationship on an interval.
Requires: Stata version 9.0
Keywords: U-shaped relationship; parabola; exact test (search for similar items in EconPapers)
Date: 2007-09-26, Revised 2019-02-09
Note: This module should be installed from within Stata by typing "ssc install utest". Windows users should not attempt to download these files with a web browser.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/u/utest.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/u/utest.sthlp help file (text/plain)
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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s456874
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