Table 4. Record description of the SHDI-Data-Quality file.

iso_code	ISO country code 3 digit
country	Country name
year	Year
gdlcode	Region code Global Data Lab
level	Aggregation level (national or subnational)
region	Name of subnational region
year	Year
miss	Combination of missings
lgnic_polated	LGNIc inter or extrapolated
	0 Real value
	1 Interpolated
	2 Extrapolated with past value
	3 Extrapolated with future value
	4 National value used
lgnic_polyears	Years over which LGNIc is inter or extrapolated
lifexp_polated	Life expectancy inter or extrapolated
	0 Real value
	1 Interpolated
	2 Extrapolated with past value
	3 Extrapolated with future value
	4 National value used
lifexp_polyears	Years over which life expectancy is inter or extrapolated
esch_polated	Expected years of schooling inter or extrapolated
	0 Real value
	1 Interpolated
	2 Extrapolated with past value
	3 Extrapolated with future value
	4 National value used
esch_polyears	Years over which expected schooling is inter or extrapolated
msch_polated	Mean years of schooling inter or extrapolated
	0 Real value
	1 Interpolated
	2 Extrapolated with past value
	3 Extrapolated with future value
	4 National value used
msch_polyears	Years over which mean years of schooling is inter or extrapolated