binomen (version 0.1.2)

strain: Parse taxon or taxondf objects by a range of names

Description

Parse taxon or taxondf objects by a range of names

Usage

strain(.data, ...)

Arguments

.data

Input, object of class taxon

...

Logical predicates. Multiple conditions are combined with &. See Details.

Value

A single or list of taxon class objects

Details

Example predicates:

• . > family = Get all taxa greater than family
• . < family = Get all taxa less than family
• . == family = Get all taxa equal to family
• . != family = Get all taxa not equal to family
• genus < order = Get all taxa between genus and order
• genus .. family = Get all taxa between genus and order

Examples

# operating on `taxon` objects
out <- make_taxon(genus="Poa", epithet="annua", authority="L.",
   family='Poaceae', clazz='Poales', kingdom='Plantae', variety='annua')
out %>% strain(. < family)
out %>% strain(. < genus)
out %>% strain(. > family)
out %>% strain(. < family)