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

In binomen: 'Taxonomic' Specification and Parsing Methods

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.

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

Value

A single or list of taxon class objects

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)

binomen documentation built on May 30, 2017, 7:38 a.m.