Subset a surveillance design by filter criteria

Creates a new surv_design object containing only sequences matching the specified filter criteria.

Usage

surv_filter(design, ...)

Arguments

design

A surv_design object.

...

Filter expressions passed to dplyr::filter().

Value

A new surv_design object with filtered data.

See also

surv_design()

Examples

sim <- surv_simulate(n_regions = 5, n_weeks = 12, seed = 1)
d <- surv_design(sim$sequences, ~ region,
                 sim$population[c("region", "seq_rate")], sim$population)
d_sub <- surv_filter(d, region %in% c("Region_A", "Region_B"))
print(d_sub)
#> ── Genomic Surveillance Design ─────────────────────────────────────────────────
#> Observations: 626
#> Strata: 5 (region)
#> Date range: 2024-01-01 to 2024-03-24
#> Lineages: 4
#> Weight range: [2.003, 10.653]