d STB-22 November 1994 t .. Other STBs p dm21 Bringing large data sets into memory p dm22 Sort in descending order p dm23 Save a subset of the current data set p dt2 Reading public use microdata samples into Stata p sg26_1 Fractional polynomials (update) p sg27 The overlapping coefficient & an improved rank-sum test p sg28 Mult. comparisons of categories after reg.-like methods p snp7 Natural cubic splines p ssa6 Util. for survival analysis with time-varying regressors p sss1_1 Calculating U.S. marginal income tax rates p sts7_4 A library of time series programs (part 1 of 2) p sts7_4_part2 sts7_4 continued (part 2 of 2) p zz3_6 Computerized index for the STB