prune_descendants

Given two sets of terms, <code>roots</code> and <code>terms</code>, construct a set of terms containing those in <code>terms</code> which do not descend from any term in <code>roots</code>, and also any terms in <code>roots</code> which are ancestors of any term in <code>terms</code>.

Functions for reading ontologies into R as lists and manipulating sets of ontological terms - 'ontologyX: A suite of R packages for working with ontological data', Greene et al 2017 <doi:10.1093/bioinformatics/btw763>.

Daniel Greene

ontologyIndex

Reading Ontologies into R

prune_descendants function

<dl><dt>ontology</dt>
<dd><code>ontology_index</code> object.</dd>
<dt>roots</dt>
<dd>Character vector of IDs for terms with respect to which descendants are to be defined.</dd>
<dt>terms</dt>
<dd>Character vector of ontological terms.</dd></dl>

Arguments

Exclude terms descending from a given set of roots but include those roots which were originally implicitly present. — prune_descendants

<dl>

<dt>ontology</dt>
<dd><code>ontology_index</code> object.</dd>


<dt>roots</dt>
<dd>Character vector of IDs for terms with respect to which descendants are to be defined.</dd>


<dt>terms</dt>
<dd>Character vector of ontological terms.</dd>

</dl>

prune_descendants: Exclude terms descending from a given set of roots but include those roots which were originally implicitly present.

Description

Usage

Value

Arguments

See Also