summ Variable | Obs Mean Std. Dev. Min Max ---------+----------------------------------------------------- age | 596 45.29027 16.67912 18 89 educ | 594 .486532 .5002398 0 1 ethnicit | 598 .8327759 .3734882 0 1 income | 399 .5438596 .4986979 0 1 gender | 598 .4113712 .4924942 0 1 vote92 | 574 .7073171 .455391 0 1 . summ age, detail Respondent's age ------------------------------------------------------------- Percentiles Smallest 1% 19 18 5% 23 18 10% 26 19 Obs 596 25% 33 19 Sum of Wgt. 596 50% 42 Mean 45.29027 Largest Std. Dev. 16.67912 75% 56 89 90% 72 89 Variance 278.1929 95% 77 89 Skewness .5948561 99% 87 89 Kurtosis 2.514515 . summarize age educ ethnicit income gender vote92 Variable | Obs Mean Std. Dev. Min Max ---------+----------------------------------------------------- age | 596 45.29027 16.67912 18 89 educ | 594 .486532 .5002398 0 1 ethnicit | 598 .8327759 .3734882 0 1 income | 399 .5438596 .4986979 0 1 gender | 598 .4113712 .4924942 0 1 vote92 | 574 .7073171 .455391 0 1 . summarize age, detail Respondent's age ------------------------------------------------------------- Percentiles Smallest 1% 19 18 5% 23 18 10% 26 19 Obs 596 25% 33 19 Sum of Wgt. 596 50% 42 Mean 45.29027 Largest Std. Dev. 16.67912 75% 56 89 90% 72 89 Variance 278.1929 95% 77 89 Skewness .5948561 99% 87 89 Kurtosis 2.514515 . summarize educ, detail Respondent's education ------------------------------------------------------------- Percentiles Smallest 1% 0 0 5% 0 0 10% 0 0 Obs 594 25% 0 0 Sum of Wgt. 594 50% 0 Mean .486532 Largest Std. Dev. .5002398 75% 1 1 90% 1 1 Variance .2502399 95% 1 1 Skewness .0538916 99% 1 1 Kurtosis 1.002904 . recode age 18/30=1 31/60=2 61/max=3 (596 changes made) . tab age Respondent's| age| Freq. Percent Cum. ------------+----------------------------------- 1 | 120 20.13 20.13 2 | 359 60.23 80.37 3 | 117 19.63 100.00 ------------+----------------------------------- Total | 596 100.00 . . sort age . by age: tab income -> age= 1 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 69 69.00 69.00 1->=$20K | 31 31.00 100.00 ------------+----------------------------------- Total | 100 100.00 -> age= 2 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 100 36.36 36.36 1->=$20K | 175 63.64 100.00 ------------+----------------------------------- Total | 275 100.00 -> age= 3 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 13 54.17 54.17 1->=$20K | 11 45.83 100.00 ------------+----------------------------------- Total | 24 100.00 -> age= . no observations . by age: tab income -> age= 1 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 69 69.00 69.00 1->=$20K | 31 31.00 100.00 ------------+----------------------------------- Total | 100 100.00 -> age= 2 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 100 36.36 36.36 1->=$20K | 175 63.64 100.00 ------------+----------------------------------- Total | 275 100.00 -> age= 3 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 13 54.17 54.17 1->=$20K | 11 45.83 100.00 ------------+----------------------------------- Total | 24 100.00 -> age= . no observations . tab income if age == 1 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 69 69.00 69.00 1->=$20K | 31 31.00 100.00 ------------+----------------------------------- Total | 100 100.00 . tab income if age < 3 Respondent's| income| Freq. Percent Cum. ------------+----------------------------------- 0-<$20K | 169 45.07 45.07 1->=$20K | 206 54.93 100.00 ------------+----------------------------------- Total | 375 100.00 . - preserve - replace age = 2 in 1 - sort age - sort age - sort ethnicit - sort income - restore . hist age .