filter_source_level: Filter results to include source vocabularies with a...
In mpancia/rUMLS: An R Interface To The NLM Unified Medical Language System

Description Usage Arguments Value Examples

See also source_level.

1	filter_source_level(results, level, us = TRUE)

`results`	Search results. Should be a list of things with a `rootSource` attribute.
`level`	The maximum restriction.
`us`	Whether or not you are looking at US or non-US restriction levels.

The results, filtered to include only those in source vocabularies with an appropriate restriction level.

1
2
3

# Get diabetic retinopathy results that are from source vocabularies with restriction level at most 1.
search <- search_UMLS("diabetic retinopathy")
filteredSearch <- search %>% filter_source_level(1)