set_attributes_by_extract: Set attributes to each element of an environment

In mbannert/gateveys2: Aggregate Survey Data

Description

This function makes use of setattr from the Matthew Dowle's data.table package to set attributes for an an entire environment. The function can extract parts of an object's name and assign it to some attribute. The extraction uses str_extract from Hadley Wickham's stringr package.

Usage

  set_attributes_by_extract(env, label = "group",
    extract_pattern = "[A-Z]{2}")

Arguments

env	an environment that contains all relevant objects
label	name of the attribute
extract_pattern	regular expression to extract a chunk of the object names

Author(s)

Matthias Bannert

See Also

setattr, str_extract

mbannert/gateveys2 documentation built on May 21, 2019, 2:23 p.m.