select_if: Select rows/columns of a matrix using a predicate

In cbhelmholtz/metaboliteqc: metaboliteqc --- Quality controling metabolite data

Description

Select rows/columns of a matrix using a predicate

Usage

select_if(predicate, mat, margin, ...)

Arguments

predicate	A function taking a row/column as first argument and returning TRUE or FALSE
mat	Matrix
margin	Whether to select rows or columns (1 = rows, 2 = columns).
...	Passed on to predicate

Value

If margin is 1, a matrix with the same number of columns as mat and including all rows of mat for which predicate returned TRUE. If margin is 2, a matrix with the same number of rows as mat and including all columns of mat for which predicate returned TRUE.

cbhelmholtz/metaboliteqc documentation built on May 13, 2019, 2:03 p.m.