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Table 1 Summary of attributes in the output shapefile

From: GridSample: an R package to generate household survey primary sampling units (PSUs) from gridded population data

Label

Type

Description

PSUid

Integer

PSU identifier

stratum

Integer

Stratum identifier

psu_pop

Decimal

Estimated population in PSU derived by summing the seed cell and any growth cells selected for PSU

psu_r_pop

Decimal

Estimated rural population in PSU derived by summing all rural cells selected for PSU

psu_u_pop

Decimal

Estimated urban population in PSU derived by summing all urban cells selected for PSU

psus_in_stratum

Integer

Number of PSUs in the stratum

str_pop

Decimal

Estimated population in stratum derived by summing all grid cells

str_r_pop

Decimal

Estimated rural population in stratum derived by summing all grid cells classified as rural

str_u_pop

Decimal

Estimated urban population in stratum derived by summing all grid cells classified as urban

str_cells

Integer

Number of total cells in the stratum

xCent

Decimal

Longitude of PSU seed cell centroid in decimal degrees

yCent

Decimal

Latitude of PSU seed cell centroid in decimal degrees

U_R

Character

Urban or rural label based on whether the seed cell was classified as urban or rural