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Appendix A: Description of SAS Programs Used to Replicate Ahmed and Robinson's 1980-1990 Emigration Estimates
Appendix A: Description of SAS Programs Used to Replicate Ahmed and Robinson's 1980-1990 Emigration Estimates
| Step # |
Description | SAS Programs | Data | |
|---|---|---|---|---|
| Input | Output | |||
(*)existing data |
||||
| Pre-1980 Selected | ||||
| 1 Acquire 1980 base population adjusted for cases with unknown country of birth. | FB80CEN | fb80cen.dat * | fb80t.dat * fb80m.dat * fb80f.dat * |
|
| 2 Create a file containing the foreign-born population enumerated in the 1990 census. Recode the country of birth from 111 categories to 40. | d_fb90_c40 | fb111_ad.dat * | d_fb90_c40.dat | |
| 3 Calculate the preliminary number of emigrants for the total population that entered before 1980 by age, sex, country of birth, and period of entry. | d_FB_EMIG | d_fb90_c40.dat d_fb80f.dat |
d_fbemig_t.dat d_fbemig_m.dat d_fbemig_f.dat |
|
| 4 Recreate the number of emigrants and the emigration rate for SELECTED countries by age, sex, and race group, and period of entry. | d_Fb_1980_select | d_fbemig_m.dat d_fbemig_f.dat |
d_Fb_1980_sel.dat d_Fb_1980_sel_race.dat d_Fb_1980_sel_rate.dat d_Fb_70_79_sel.dat |
|
| 1980-1990 Selected | ||||
| 5 Calculate the proportional distribution of the 1980-1990 entrant foreign born population enumerated in 1990, the average length of stay, the mid-point of age in 1990, and the average age at entry. | d_Fb_8090_midpt | d_fb90_c40.dat | d_Fb_8090_midpt.dat | |
| 6 Estimate the 1980-1990 number of emigrants (and rates) for SELECTED countries that entered 1980-1990 by age, sex, and race group. | d_Fb_emig_8090 | d_fb90_c40.dat d_Fb_8090_midpt.dat d_Fb_70_79_sel.dat d_SR_1990_15.prn * |
d_emig_8090_age.dat d_ERSR_8090_age.dat |
|
| 1980-1990 Non-Selected | ||||
| 7 Create data sets for the 1980-1990 entrants enumerated in 1990 by age, sex, country of birth, and period of entry NON-selected countries. | d_fb_8090_nonsel | d_fb90_c40.dat | d_fb_8090_nonsel.dat | |
| 8 Estimate the number of 1980-1990 entrant emigrants for NON-selected countries by age, sex, and race. | d_Fb_emig_8090_nonsel | d_ERSR_8090_age.dat d_Fb_8090_nonsel.dat |
d_Fb_emig_8090_nonsel.dat | |
| Pre-1980 Non-Selected | ||||
| 9 Create data set that contains the 1980 enumerated foreign born that entered before 1980 for NON-selected countries by age, sex, race, and period of entry. | d_Fb_1980_nonsel.sas | d_fbemig_m.dat d_fbemig_f.dat |
d_Fb_1980_nonsel.dat | |
| 10 Estimate the number of before 1980 entrant emigrants for NON-selected by age and race. | d_Fb_emig_1980_nonsel | d_Fb_1980_nonsel.dat d_Fb_1980_sel_rate.dat |
d_Fb_emig_1980_nonsel.dat | |
| Final Estimates | ||||
| 11 Merge four files with the estimated number of emigrants for the before 1980 and 1980-1990 entrants and selected/non-selected countries to estimate the 1980-1990 emigrants by age, sex, and race. | d_Fb_emig_final | d_Fb_1980_sel.dat d_emig_8090_age.dat d_Fb_emig_8090_nonsel.dat d_Fb_emig_1980_nonsel.dat |
d_Fb_emig_final.dat d_Fb_emig_94.dat |
|
Return to working paper:
Page Last Revised - May 27, 2022
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