File racd3p3.out is output from Gauss program racd3p3.gau Date is: 1998.0000 8.0000000 3.0000000 7095132.0 ------------------------------------------------------------------------------- Variable Mean Std Dev Variance Minimum Maximum Valid Missing ------------------------------------------------------------------------------- SEX 0.5206 0.4996 0.2496 0.0000 1.0000 5190 0 AGE 0.4064 0.2048 0.0419 0.1900 0.7200 5190 0 AGESQ 0.2071 0.1856 0.0345 0.0361 0.5184 5190 0 INCOME 0.5832 0.3689 0.1361 0.0000 1.5000 5190 0 LEVYPLUS 0.4428 0.4968 0.2468 0.0000 1.0000 5190 0 FREEPOOR 0.0428 0.2024 0.0410 0.0000 1.0000 5190 0 FREEREPA 0.2102 0.4075 0.1661 0.0000 1.0000 5190 0 ILLNESS 1.4320 1.3842 1.9159 0.0000 5.0000 5190 0 ACTDAYS 0.8618 2.8876 8.3384 0.0000 14.0000 5190 0 HSCORE 1.2175 2.1243 4.5125 0.0000 12.0000 5190 0 CHCOND1 0.4031 0.4906 0.2407 0.0000 1.0000 5190 0 CHCOND2 0.1166 0.3209 0.1030 0.0000 1.0000 5190 0 DVISITS 0.3017 0.7981 0.6370 0.0000 9.0000 5190 0 NONDOCCO 0.2146 0.9653 0.9318 0.0000 11.0000 5190 0 HOSPADMI 0.1736 0.5075 0.2576 0.0000 5.0000 5190 0 HOSPDAYS 1.3337 6.1201 37.4554 0.0000 80.0000 5190 0 MEDICINE 1.2183 1.5566 2.4231 0.0000 8.0000 5190 0 PRESCRIB 0.8626 1.4154 2.0033 0.0000 8.0000 5190 0 NONPRESC 0.3557 0.7124 0.5075 0.0000 8.0000 5190 0 CONSTANT 1.0000 0.0000 0.0000 1.0000 1.0000 5190 0 Cameron & Trivedi REGRESSION ANALYSIS OF COUNT DATA Table 3.3 p.69 Poisson PML regression Standard errors and t-statistics assume NB1 variance function DVISITS is the dependent variable Variable Poisson PMLE Standard errors t-statistics CONSTANT -2.2238482 0.21872491 -10.16733 SEX 0.15688196 0.064686396 2.4252697 AGE 1.0562995 1.1531984 0.91597376 AGESQ -0.84870409 1.24193 -0.68337512 INCOME -0.20532059 0.10183939 -2.0161216 LEVYPLUS 0.12318543 0.082550502 1.4922433 FREEPOOR -0.44006093 0.20719657 -2.1238814 FREEREPA 0.079798428 0.10608095 0.7522409 ILLNESS 0.18694843 0.021064652 8.8749833 ACTDAYS 0.12684648 0.0058006388 21.867674 HSCORE 0.030081005 0.011637496 2.5848347 CHCOND1 0.11408531 0.076788677 1.4857048 CHCOND2 0.14115828 0.095808021 1.4733451