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You can go back and forth between variables and matrices via
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help mkmat
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But the larger question remains: Why do you want to do this? Also note -h
tabi-.
HTH
Martin
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Wetzel Martin
Sent: Freitag, 18. Juni 2010 11:35
To: [email protected]
Subject: st: chi-square-test in matrix or crosstab
Dear stata-users,
I'm looking for a opportunity to make chi-square-tests of already
acummulated data.
I have something like this
sysuse auto.dta, clear
tab2 rep78 foreign, matcell(A)
matrix list A
and now I want to test this matrix for statistical independence. If the
matrix would always have the same size, I could use William Gould's (2006)*
mata-strategy, but it's looped over vars, so I could need a more flexible
way.
Has anyone an idea?
Best regards,
Martin
* Gould (2006): Mata Matters: Interactive use. The Stata Journal 6 (3). pp.
387-396.
-------------------------------
Martin Wetzel
Institut für Arbeitsmarkt- und Berufsforschung
der Bundesagentur für Arbeit (IAB)
Forschungsbereich E3 - Panel "Arbeitsmarkt und Soziale Sicherung" (PASS)
Regensburger Straße 104
90478 Nürnberg
Tel.: 0911 179 8028
Zimmer: eb-751
-------------------------------
Martin Wetzel
Institut für Arbeitsmarkt- und Berufsforschung
der Bundesagentur für Arbeit (IAB)
Forschungsbereich E3 - Panel "Arbeitsmarkt und Soziale Sicherung" (PASS)
Regensburger Straße 104
90478 Nürnberg
Tel.: 0911 179 8028
Zimmer: eb-751
*
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