Codes and Frequencies
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Explore how IPUMS created this variable
Most IPUMS data transformations are performed using variable harmonization tables that specify how each value in the source data is recoded. Some variables also require programming logic in addition to the harmonization table. The harmonization documents for this variable are:
- Harmonization table
- Supplemental programming
- Instructions for interpreting harmonization documents
class Mig2alt_7_ma : public Editor {
public:
Mig2alt_7_ma(VarPointer varInfo) : Editor(varInfo) {}
void edit() {
long a = getRecoded();
switch (dataSet) {
case dataset_id::ma1982a: {
if (MA1982A_0411() == 0 && MA1982A_0404() >= 7)
a = GEO2ALT_MA(0);
if (MA1982A_0404() < 7)
a = 504099099;
} break;
}
setData(a);
}
};
Description
MIG2ALT_7_MA indicates the person's province of residence seven years ago (at the time of the Green March (Nov 6, 1975) within Morocco. Migration province codes from MIG2ALT_7_MA are compatible with codes from GEO2ALT_MA.
Click on the Source Variables tab for information on place of residence for each sample year. Source variables may contain more geographic unit detail but are not suitable for cross-temporal comparison.
Comparability — General
The source variable for MIG1ALT_7_MA specifically asked respondents for their place of residence at the time of the Green March, which took place on November 6, 1975.
Where boundaries changed over time, units were harmonized to create units with boundaries that remain stable over time. Boundary changes for MIG2_P_MA are too numerous to list here, but users should be aware that there were changes over time.
Universe
- Morocco 1982: Persons age 7+
Availability
- Morocco: 1982
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