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Collect specification for population definition

Source: R/collect.R
collect_population.Rd

Collect specification for population definition

Usage

collect_population(meta, population, observation = NULL, parameter = NULL)

Arguments

meta

A meta_adam object.

population

A character value of population term name. The term name is used as key to link information.

observation

A character value of observation term name. The term name is used as key to link information.

parameter

A character value of parameter term name. The term name is used as key to link information.

Value

A list covering the filter of population, observation (if given) and parameter (if given).

Examples

meta <- meta_example()
collect_population(meta, "apat")
#> $population
#> [1] "SAFFL == 'Y'"
#> 
collect_population(meta, "apat", "wk12")
#> $population
#> [1] "SAFFL == 'Y'"
#> 
#> $observation
#> [1] "SAFFL == 'Y'"
#> 
collect_population(meta, "apat", "wk12", "ser")
#> $population
#> [1] "SAFFL == 'Y'"
#> 
#> $observation
#> [1] "SAFFL == 'Y'"
#> 
#> $parameter
#> [1] "AESER == 'Y'"
#>