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-------------------------------------------------------------------------------- <> You can go back and forth between variables and matrices via ************* help mkmat ************* But the larger question remains: Why do you want to do this? Also note -h tabi-. HTH Martin -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Wetzel Martin Sent: Freitag, 18. Juni 2010 11:35 To: statalist@hsphsun2.harvard.edu 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 * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/