{smcl} {com}{sf}{ul off}{txt}{.-} log: {res}/netscr/khrapov/stata/rec03/rec03_01_31_08.smcl {txt}log type: {res}smcl {txt}opened on: {res}31 Jan 2008, 08:36:31 {com}. d {txt}Contains data from {res}zismall.dta {txt} obs:{res} 4,049 {txt} vars:{res} 18 27 Jan 2008 07:42 {txt} size:{res} 93,127{txt} (99.1% of memory free) {hline 79} storage display value variable name type format label variable label {hline 79} {res}communid {txt} int %8.0g {res} lisradio {txt} byte %8.0g {res} goodwat {txt} byte %8.0g {res} goodsan {txt} byte %8.0g {res} ageyr {txt} byte %8.0g {res} educf {txt} byte %8.0g {res} idealnum {txt} byte %8.0g {res} pregnant {txt} byte %8.0g {res} curuse {txt} byte %8.0g {res} births {txt} byte %8.0g {res} city {txt} byte %8.0g {res} commune {txt} byte %8.0g {res} confarm {txt} byte %8.0g {res} dznfp5 {txt} byte %8.0g {res} dhospfp5 {txt} byte %8.0g {res} dmissfp5 {txt} byte %8.0g {res} dclncfp5 {txt} byte %8.0g {res} notpreg {txt} byte %9.0g {res} {txt}{hline 79} Sorted by: {res}pregnant {com}. sum {txt} Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} communid {c |}{res} 4049 365.3761 226.0101 1 722 {txt}lisradio {c |}{res} 4049 .3917017 .4881909 0 1 {txt}goodwat {c |}{res} 4049 .4628303 .4986781 0 1 {txt}goodsan {c |}{res} 4049 .5388985 .4985462 0 1 {txt}ageyr {c |}{res} 4049 27.79896 9.449919 15 49 {txt}{hline 13}{c +}{hline 56} educf {c |}{res} 4044 6.098912 3.566493 0 19 {txt}idealnum {c |}{res} 3436 4.876019 2.283106 0 26 {txt}pregnant {c |}{res} 4049 .0898987 .286072 0 1 {txt}curuse {c |}{res} 4049 .320079 .4665643 0 1 {txt}births {c |}{res} 4049 2.929859 2.956038 0 17 {txt}{hline 13}{c +}{hline 56} city {c |}{res} 4049 .3474932 .4762328 0 1 {txt}commune {c |}{res} 4049 .5453198 .4980034 0 1 {txt}confarm {c |}{res} 4049 .107187 .309389 0 1 {txt}dznfp5 {c |}{res} 4049 .0659422 .2482117 0 1 {txt}dhospfp5 {c |}{res} 4049 .1247222 .3304444 0 1 {txt}{hline 13}{c +}{hline 56} dmissfp5 {c |}{res} 4049 .0323537 .1769594 0 1 {txt}dclncfp5 {c |}{res} 4049 .6320079 .4823187 0 1 {txt}notpreg {c |}{res} 4049 .9101013 .286072 0 1 {com}. reg idealnum ageyr educf {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 2, 3429) ={res} 563.23 {txt} Model {char |} {res} 4423.2458 2 2211.6229 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 13464.6001 3429 3.92668418 {txt}R-squared = {res} 0.2473 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2468 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9816 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0702871 .0038928 18.06 0.000 .0626547 .0779195 {txt} educf {c |} {res}-.1997353 .0104846 -19.05 0.000 -.220292 -.1791786 {txt} _cons {c |} {res} 4.228327 .149698 28.25 0.000 3.934821 4.521833 {txt}{hline 13}{c BT}{hline 64} {com}. reg idealnum ageyr educf if city==1 {txt}Source {c |} SS df MS Number of obs ={res} 1225 {txt}{hline 13}{char +}{hline 30} F( 2, 1222) ={res} 168.36 {txt} Model {char |} {res} 955.806984 2 477.903492 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 3468.83302 1222 2.83865222 {txt}R-squared = {res} 0.2160 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2147 {txt} Total {char |} {res} 4424.64 1224 3.61490196 {txt}Root MSE = {res} 1.6848 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0542469 .005776 9.39 0.000 .0429149 .0655789 {txt} educf {c |} {res}-.1808436 .0154148 -11.73 0.000 -.2110861 -.1506012 {txt} _cons {c |} {res} 4.124663 .2328357 17.71 0.000 3.667861 4.581465 {txt}{hline 13}{c BT}{hline 64} {com}. reg idealnum ageyr educf if commune==1 {txt}Source {c |} SS df MS Number of obs ={res} 1865 {txt}{hline 13}{char +}{hline 30} F( 2, 1862) ={res} 303.49 {txt} Model {char |} {res} 2685.13628 2 1342.56814 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 8237.06211 1862 4.42377128 {txt}R-squared = {res} 0.2458 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2450 {txt} Total {char |} {res} 10922.1984 1864 5.85954849 {txt}Root MSE = {res} 2.1033 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0883403 .0056556 15.62 0.000 .0772484 .0994323 {txt} educf {c |} {res}-.1628674 .0175882 -9.26 0.000 -.1973621 -.1283728 {txt} _cons {c |} {res} 3.833476 .227481 16.85 0.000 3.387331 4.27962 {txt}{hline 13}{c BT}{hline 64} {com}. reg idealnum ageyr educf if coonfarm==1 {err}coonfarm not found {txt}{search r(111):r(111);} {com}. reg idealnum ageyr educf if confarm==1 {txt}Source {c |} SS df MS Number of obs ={res} 342 {txt}{hline 13}{char +}{hline 30} F( 2, 339) ={res} 37.04 {txt} Model {char |} {res} 273.480182 2 136.740091 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 1251.44672 339 3.69158324 {txt}R-squared = {res} 0.1793 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.1745 {txt} Total {char |} {res} 1524.9269 341 4.47192639 {txt}Root MSE = {res} 1.9213 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0507923 .0116514 4.36 0.000 .0278742 .0737104 {txt} educf {c |} {res}-.1656934 .0288933 -5.73 0.000 -.2225262 -.1088606 {txt} _cons {c |} {res} 4.298144 .3886672 11.06 0.000 3.53364 5.062647 {txt}{hline 13}{c BT}{hline 64} {com}. g ageyr1=ageyr*city . g ageyr2=ageyr*commune . g ageyr3=ageyr*coonfarm {err}coonfarm not found {txt}{search r(111):r(111);} {com}. g ageyr3=ageyr*confarm . g educ1=educf*city {txt}(5 missing values generated) {com}. g educ2=educf*commune {txt}(5 missing values generated) {com}. g educ2=educf*confarm {err}educ2 already defined {txt}{search r(110):r(110);} {com}. g educ3=educf*confarm {txt}(5 missing values generated) {com}. reg idealnum ageyr1 ageyr2 ageyr3 educ1 educ2 educ3 {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 6, 3425) ={res} 216.89 {txt} Model {char |} {res} 4925.14853 6 820.858088 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 12962.6973 3425 3.78472915 {txt}R-squared = {res} 0.2753 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2741 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9454 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr1 {c |} {res} .0569138 .0047939 11.87 0.000 .0475146 .0663131 {txt} ageyr2 {c |} {res} .0846892 .0041196 20.56 0.000 .0766121 .0927662 {txt} ageyr3 {c |} {res} .0590491 .0063264 9.33 0.000 .0466451 .071453 {txt} educ1 {c |} {res}-.1745498 .0140381 -12.43 0.000 -.2020737 -.1470259 {txt} educ2 {c |} {res}-.1726312 .0137959 -12.51 0.000 -.1996803 -.1455821 {txt} educ3 {c |} {res}-.1530575 .0249732 -6.13 0.000 -.2020215 -.1040936 {txt} _cons {c |} {res} 3.997398 .152713 26.18 0.000 3.69798 4.296816 {txt}{hline 13}{c BT}{hline 64} {com}. test ageyr1=ageyr2=ageyr3 {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} F( 2, 3425) ={res} 26.98 {txt}{col 13}Prob > F ={res} 0.0000 {com}. test (ageyr1=ageyr2=ageyr3) (educ1 educ2 educ3) {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} ( 3) {res}educ1 = 0 {txt} ( 4) {res}educ2 = 0 {txt} ( 5) {res}educ3 = 0 {txt} F( 5, 3425) ={res} 101.83 {txt}{col 13}Prob > F ={res} 0.0000 {com}. test (ageyr1=ageyr2=ageyr3) (educ1=educ2=educ3) {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} ( 3) {res}educ1 - educ2 = 0 {txt} ( 4) {res}educ1 - educ3 = 0 {txt} F( 4, 3425) ={res} 33.15 {txt}{col 13}Prob > F ={res} 0.0000 {com}. test ageyr1=ageyr2=ageyr3, notest {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {com}. test educ1=educ2=educ3, accum {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} ( 3) {res}educ1 - educ2 = 0 {txt} ( 4) {res}educ1 - educ3 = 0 {txt} F( 4, 3425) ={res} 33.15 {txt}{col 13}Prob > F ={res} 0.0000 {com}. reg idealnum ageyr1 ageyr2 ageyr3 educ1 educ2 educ3 city commune confarm, noconst {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 9, 3423) ={res} 2541.70 {txt} Model {char |} {res} 86591.6582 9 9621.29535 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 12957.3418 3423 3.78537594 {txt}R-squared = {res} 0.8698 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.8695 {txt} Total {char |} {res} 99549 3432 29.0061189 {txt}Root MSE = {res} 1.9456 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr1 {c |} {res} .0542469 .00667 8.13 0.000 .0411693 .0673245 {txt} ageyr2 {c |} {res} .0883403 .0052316 16.89 0.000 .0780829 .0985977 {txt} ageyr3 {c |} {res} .0507923 .0117985 4.30 0.000 .0276596 .073925 {txt} educ1 {c |} {res}-.1808436 .0178007 -10.16 0.000 -.2157447 -.1459426 {txt} educ2 {c |} {res}-.1628674 .0162697 -10.01 0.000 -.1947667 -.1309681 {txt} educ3 {c |} {res}-.1656934 .0292581 -5.66 0.000 -.2230584 -.1083283 {txt} city {c |} {res} 4.124663 .2688735 15.34 0.000 3.597494 4.651832 {txt} commune {c |} {res} 3.833476 .2104279 18.22 0.000 3.420899 4.246053 {txt} confarm {c |} {res} 4.298144 .3935737 10.92 0.000 3.52648 5.069807 {txt}{hline 13}{c BT}{hline 64} {com}. test (ageyr1=ageyr2=ageyr3) (educ1=educ2=educ3) (city=commune=confarm) {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} ( 3) {res}educ1 - educ2 = 0 {txt} ( 4) {res}educ1 - educ3 = 0 {txt} ( 5) {res}city - commune = 0 {txt} ( 6) {res}city - confarm = 0 {txt} F( 6, 3423) ={res} 22.33 {txt}{col 13}Prob > F ={res} 0.0000 {com}. reg idealnum ageyr educ1 educ2 educ3 {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 4, 3427) ={res} 307.18 {txt} Model {char |} {res} 4720.91475 4 1180.22869 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 13166.9311 3427 3.84211588 {txt}R-squared = {res} 0.2639 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2631 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9601 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0747678 .0038892 19.22 0.000 .0671424 .0823933 {txt} educ1 {c |} {res}-.2199966 .0106694 -20.62 0.000 -.2409157 -.1990775 {txt} educ2 {c |} {res}-.1344427 .0127536 -10.54 0.000 -.1594481 -.1094372 {txt} educ3 {c |} {res} -.199336 .0214528 -9.29 0.000 -.2413976 -.1572744 {txt} _cons {c |} {res} 3.959548 .151621 26.11 0.000 3.662271 4.256825 {txt}{hline 13}{c BT}{hline 64} {com}. test educ1=educ2=educ3 {txt} ( 1) {res}educ1 - educ2 = 0 {txt} ( 2) {res}educ1 - educ3 = 0 {txt} F( 2, 3427) ={res} 38.74 {txt}{col 13}Prob > F ={res} 0.0000 {com}. reg idealnum ageyr1 ageyr2 ageyr3 educf {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 4, 3427) ={res} 325.29 {txt} Model {char |} {res} 4922.65224 4 1230.66306 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 12965.1936 3427 3.78324879 {txt}R-squared = {res} 0.2752 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2743 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9451 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr1 {c |} {res} .0563073 .0040435 13.93 0.000 .0483795 .0642351 {txt} ageyr2 {c |} {res} .0846861 .0040368 20.98 0.000 .0767714 .0926009 {txt} ageyr3 {c |} {res} .0615728 .0054383 11.32 0.000 .0509103 .0722354 {txt} educf {c |} {res}-.1711152 .0110363 -15.50 0.000 -.1927536 -.1494768 {txt} _cons {c |} {res} 3.989616 .1514837 26.34 0.000 3.692608 4.286624 {txt}{hline 13}{c BT}{hline 64} {com}. test ageyr1=ageyr2=ageyr3 {txt} ( 1) {res}ageyr1 - ageyr2 = 0 {txt} ( 2) {res}ageyr1 - ageyr3 = 0 {txt} F( 2, 3427) ={res} 66.00 {txt}{col 13}Prob > F ={res} 0.0000 {com}. reg idealnum ageyr ageyr2 educf {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 3, 3428) ={res} 433.17 {txt} Model {char |} {res} 4917.07625 3 1639.02542 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 12970.7696 3428 3.78377177 {txt}R-squared = {res} 0.2749 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2742 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9452 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0570892 .0039921 14.30 0.000 .049262 .0649163 {txt} ageyr2 {c |} {res} .0270099 .0023643 11.42 0.000 .0223744 .0316455 {txt} educf {c |} {res}-.1751914 .0105139 -16.66 0.000 -.1958055 -.1545772 {txt} _cons {c |} {res} 4.028993 .1479808 27.23 0.000 3.738853 4.319132 {txt}{hline 13}{c BT}{hline 64} {com}. test ageyr2 ageyr {txt} ( 1) {res}ageyr2 = 0 {txt} ( 2) {res}ageyr = 0 {txt} F( 2, 3428) ={res} 234.42 {txt}{col 13}Prob > F ={res} 0.0000 {com}. test ageyr2=ageyr {txt} ( 1) {res}- ageyr + ageyr2 = 0 {txt} F( 1, 3428) ={res} 33.52 {txt}{col 13}Prob > F ={res} 0.0000 {com}. reg idealnum ageyr ageyr1 educ3 educf {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 4, 3427) ={res} 317.07 {txt} Model {char |} {res} 4831.84107 4 1207.96027 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 13056.0048 3427 3.80974753 {txt}R-squared = {res} 0.2701 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2693 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9519 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0831382 .0040391 20.58 0.000 .0752189 .0910576 {txt} ageyr1 {c |} {res}-.0270777 .0026304 -10.29 0.000 -.0322349 -.0219205 {txt} educ3 {c |} {res}-.0605337 .0195908 -3.09 0.002 -.0989446 -.0221228 {txt} educf {c |} {res}-.1584115 .0110742 -14.30 0.000 -.1801242 -.1366988 {txt} _cons {c |} {res} 3.901117 .1511905 25.80 0.000 3.604685 4.19755 {txt}{hline 13}{c BT}{hline 64} {com}. test educ1 educ3 {err}educ1 not found {txt}{search r(111):r(111);} {com}. reg idealnum ageyr ageyr1 ageyr3 educf {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 4, 3427) ={res} 325.29 {txt} Model {char |} {res} 4922.65224 4 1230.66306 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 12965.1936 3427 3.78324879 {txt}R-squared = {res} 0.2752 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2743 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9451 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} ageyr {c |} {res} .0846861 .0040368 20.98 0.000 .0767714 .0926009 {txt} ageyr1 {c |} {res}-.0283788 .0026192 -10.83 0.000 -.0335143 -.0232434 {txt} ageyr3 {c |} {res}-.0231133 .0039864 -5.80 0.000 -.0309292 -.0152974 {txt} educf {c |} {res}-.1711152 .0110363 -15.50 0.000 -.1927536 -.1494768 {txt} _cons {c |} {res} 3.989616 .1514837 26.34 0.000 3.692608 4.286624 {txt}{hline 13}{c BT}{hline 64} {com}. test ageyr1 ageyr3 {txt} ( 1) {res}ageyr1 = 0 {txt} ( 2) {res}ageyr3 = 0 {txt} F( 2, 3427) ={res} 66.00 {txt}{col 13}Prob > F ={res} 0.0000 {com}. tabulate idealnum {txt}idealnum {c |} Freq. Percent Cum. {hline 12}{c +}{hline 35} 0 {c |}{res} 14 0.41 0.41 {txt} 1 {c |}{res} 38 1.11 1.51 {txt} 2 {c |}{res} 359 10.45 11.96 {txt} 3 {c |}{res} 316 9.20 21.16 {txt} 4 {c |}{res} 1,151 33.50 54.66 {txt} 5 {c |}{res} 444 12.92 67.58 {txt} 6 {c |}{res} 613 17.84 85.42 {txt} 7 {c |}{res} 110 3.20 88.62 {txt} 8 {c |}{res} 137 3.99 92.61 {txt} 9 {c |}{res} 34 0.99 93.60 {txt} 10 {c |}{res} 179 5.21 98.81 {txt} 11 {c |}{res} 4 0.12 98.92 {txt} 12 {c |}{res} 18 0.52 99.45 {txt} 13 {c |}{res} 1 0.03 99.48 {txt} 14 {c |}{res} 3 0.09 99.56 {txt} 15 {c |}{res} 7 0.20 99.77 {txt} 20 {c |}{res} 7 0.20 99.97 {txt} 26 {c |}{res} 1 0.03 100.00 {txt}{hline 12}{c +}{hline 35} Total {c |}{res} 3,436 100.00 {com}. histogram idealnum {txt}(bin={res}35{txt}, start={res}0{txt}, width={res}.74285714{txt}) {res} {com}. kdensity idealnum {res} {com}. g age2=ageyr^2 . g educ2=educf^2 {err}educ2 already defined {txt}{search r(110):r(110);} {com}. replace educ2=educf^2 {txt}(3458 real changes made) {com}. g age_educ=ageyer*educf {err}ageyer not found {txt}{search r(111):r(111);} {com}. g age_educ=ageyr*educf {txt}(5 missing values generated) {com}. reg idealnum educf ageyr age2 educ2 age_educ {txt}Source {c |} SS df MS Number of obs ={res} 3432 {txt}{hline 13}{char +}{hline 30} F( 5, 3426) ={res} 227.63 {txt} Model {char |} {res} 4460.61737 5 892.123473 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 13427.2285 3426 3.91921439 {txt}R-squared = {res} 0.2494 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2483 {txt} Total {char |} {res} 17887.8459 3431 5.21359541 {txt}Root MSE = {res} 1.9797 {txt}{hline 13}{c TT}{hline 64} idealnum {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} educf {c |} {res}-.0519036 .0509133 -1.02 0.308 -.1517272 .0479199 {txt} ageyr {c |} {res} .0988149 .028902 3.42 0.001 .0421479 .1554818 {txt} age2 {c |} {res}-.0001977 .0004169 -0.47 0.635 -.0010152 .0006197 {txt} educ2 {c |} {res}-.0057545 .0022017 -2.61 0.009 -.0100712 -.0014378 {txt} age_educ {c |} {res}-.0027293 .0012546 -2.18 0.030 -.0051892 -.0002694 {txt} _cons {c |} {res} 3.416422 .5092323 6.71 0.000 2.417992 4.414851 {txt}{hline 13}{c BT}{hline 64} {com}. corr ageyr educf educ2 age2 age_educ {txt}(obs=4044) {c |} ageyr educf educ2 age2 age_educ {hline 13}{c +}{hline 45} ageyr {c |}{res} 1.0000 {txt}educf {c |}{res} -0.3995 1.0000 {txt}educ2 {c |}{res} -0.3482 0.9349 1.0000 {txt}age2 {c |}{res} 0.9883 -0.3922 -0.3444 1.0000 {txt}age_educ {c |}{res} 0.1171 0.8192 0.7553 0.1010 1.0000 {com}. clear . set obs 100 {txt}obs was 0, now 100 {com}. clear . set obs 1000 {txt}obs was 0, now 1000 {com}. drawnorm err . kdensity err {res} {com}. g x=uniform() . kdensity x {res} {com}. g y=2+50*(x-.5)^3-5*x+err . scatter y x {res} {com}. reg y x {txt}Source {c |} SS df MS Number of obs ={res} 1000 {txt}{hline 13}{char +}{hline 30} F( 1, 998) ={res} 283.72 {txt} Model {char |} {res} 532.578958 1 532.578958 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 1873.3778 998 1.87713207 {txt}R-squared = {res} 0.2214 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2206 {txt} Total {char |} {res} 2405.95676 999 2.40836513 {txt}Root MSE = {res} 1.3701 {txt}{hline 13}{c TT}{hline 64} y {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} x {c |} {res} 2.544871 .1510849 16.84 0.000 2.24839 2.841351 {txt} _cons {c |} {res}-1.798845 .0879503 -20.45 0.000 -1.971434 -1.626257 {txt}{hline 13}{c BT}{hline 64} {com}. predict xb {txt}(option xb assumed; fitted values) {com}. scatter y xb x {res} {com}. predict e, resid . scatter e x {res} {com}. g x2=x^2 . reg y x x2 {txt}Source {c |} SS df MS Number of obs ={res} 1000 {txt}{hline 13}{char +}{hline 30} F( 2, 997) ={res} 141.83 {txt} Model {char |} {res} 532.907252 2 266.453626 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 1873.04951 997 1.87868556 {txt}R-squared = {res} 0.2215 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.2199 {txt} Total {char |} {res} 2405.95676 999 2.40836513 {txt}Root MSE = {res} 1.3707 {txt}{hline 13}{c TT}{hline 64} y {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} x {c |} {res} 2.787085 .5988126 4.65 0.000 1.612007 3.962163 {txt} x2 {c |} {res}-.2424717 .5800389 -0.42 0.676 -1.380709 .8957655 {txt} _cons {c |} {res}-1.839383 .1309409 -14.05 0.000 -2.096334 -1.582432 {txt}{hline 13}{c BT}{hline 64} {com}. predict xb {err}xb already defined {txt}{search r(110):r(110);} {com}. drop xb . predict xb {txt}(option xb assumed; fitted values) {com}. scatter y xb x {res} {com}. g x3=x^3 . reg y x x2 x3 {txt}Source {c |} SS df MS Number of obs ={res} 1000 {txt}{hline 13}{char +}{hline 30} F( 3, 996) ={res} 464.67 {txt} Model {char |} {res} 1403.30983 3 467.769944 {txt}Prob > F = {res} 0.0000 {txt}Residual {char |} {res} 1002.64693 996 1.00667362 {txt}R-squared = {res} 0.5833 {txt}{hline 13}{char +}{hline 30} Adj R-squared = {res} 0.5820 {txt} Total {char |} {res} 2405.95676 999 2.40836513 {txt}Root MSE = {res} 1.0033 {txt}{hline 13}{c TT}{hline 64} y {c |} Coef. Std. Err. t P>|t| [95% Conf. Interval] {hline 13}{char +}{hline 64} x {c |} {res} 32.47129 1.100566 29.50 0.000 30.3116 34.63098 {txt} x2 {c |} {res}-74.53361 2.561941 -29.09 0.000 -79.56103 -69.50619 {txt} x3 {c |} {res} 49.55292 1.685208 29.40 0.000 46.24595 52.85988 {txt} _cons {c |} {res}-4.279455 .1267807 -33.75 0.000 -4.528243 -4.030667 {txt}{hline 13}{c BT}{hline 64} {com}. predict xb {err}xb already defined {txt}{search r(110):r(110);} {com}. drop xb . predict xb {txt}(option xb assumed; fitted values) {com}. scatter y xb x {res} {com}. help log . log close {txt}log: {res}/netscr/khrapov/stata/rec03/rec03_01_31_08.smcl {txt}log type: {res}smcl {txt}closed on: {res}31 Jan 2008, 09:21:33 {txt}{.-} {smcl} {txt}{sf}{ul off}