Stratum Costs for Niger EAs

Per-interview cost by region for niger_eas. Remote regions (Agadez, Diffa) have higher costs. Used for demonstrating optimal (cost-variance) allocation.

niger_eas_cost

Format

A tibble with 8 rows and 2 columns:

region

Character. Region name

cost

Numeric. Per-interview cost (fictional units)

See also

niger_eas, niger_eas_variance, stratify_by()

Examples

data(niger_eas_cost)
niger_eas_cost
#> # A tibble: 8 × 2
#>   region     cost
#>   <chr>     <dbl>
#> 1 Agadez      180
#> 2 Diffa       150
#> 3 Dosso        60
#> 4 Maradi       55
#> 5 Niamey       70
#> 6 Tahoua       50
#> 7 Tillabéri    65
#> 8 Zinder       40

# Optimal allocation (minimizing variance for fixed cost)
if (FALSE) { # \dontrun{
sampling_design() |>
  stratify_by(region, alloc = "optimal",
              variance = niger_eas_variance,
              cost = niger_eas_cost) |>
  draw(n = 500) |>
  execute(niger_eas, seed = 42)
} # }