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Here is information about the Stata 9 Multivariate
/* ************************************************** */ /* factor analysis example -- from correlation matrix */ /* five socio-economic variables from harman 1976 */ #delimit ; matrix c = ( 1.0,.00975,.97245,.43887,.02241\ 00975,1.0,.15428,.69141,.86307\ 97245,.15428,1.0,.51472,.12193\ 43887,.69141,.51472,1.0,.77765\ 02241,.86307,.12193,.77765,1.0); #delimit cr global names totpop medsch totemp prof medhou matrix rownames c = $names matrix colnames c = $names matrix list c pcamat c, n(172) components(2) factormat c, n(172) pf blanks(.3) factors(2) screeplot rotate, varimax blanks(.3) rotate, promax blanks(.3) /* factor analysis postestimation commands */ estat structure estat rotatecompare estat common estat smc estat kmo estat residuals loadingplot /* ******************************************* */ /* simplistic multidimensional scaling example */ /* matrix of airline distances between 10 US cities */ #delimit ; matrix d = ( 0,587,1212,701,1936,604,748,2139,2182,543\ 587,0,920,940,1745,1188,713,1858,1737,597\ 1212,920,0,879,831,1726,1631,949,1021,1494\ 701,940,879,0,1374,968,1420,1645,1891,1220\ 1936,1745,831,1374,0,2339,2451,347,959,2300\ 604,1188,1726,968,2339,0,1092,2594,2734,923\ 748,713,1631,1420,2451,1092,0,2571,2408,205\ 2139,1858,949,1645,347,2594,2571,0,678,2442\ 2182,1737,1021,1891,959,2734,2408,678,0,2329\ 543,597,1494,1220,2300,923,205,2442,2329,0); #delimit cr global names atl chi den hou la mi ny sf sea dc matrix rownames d = $names matrix colnames d = $names matrix list d mdsmat d, names($names) /* redo graph with better aspectration and y-axis flipped */ mdsconfig, autoaspect ynegate /* ******************************** */ /* correspondence analysis example */ use http://www.gseis.ucla.edu/courses/data/hsb2, clear tabulate prog ses, chi2 /* row profile */ tabulate prog ses, row nofreq ca prog ses /* for ethnic */ cabiplot , nocolumn yline(0) xline(0) /* for ses */ cabiplot , norow yline(0) xline(0) /* combined */ cabiplot, yline(0) xline(0) /* ******************************** */ /* improved canonical correlation */ use http://www.gseis.ucla.edu/courses/data/hsb2, clear canon (read write socst)(math science female), test(1 2 3) /* standardized canonical coefficients */ canon, stdcoef /* canonical loadings */ estat loadings
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