gather_attributes: Create a data-frame of attributes

In tjmahr/lookr: Tools to Analyze Looking While Listening or Visual World Eyetracking Experiments

Description

This function is intended to abstract over the pattern of writing code like data.frame(x = trials %@% "x", ZName = trials %@% "z") by instead allowing us to write gather_attributes(trials, c("x", ZName = z)).

Usage

gather_attributes(x, attrs, omit_na = FALSE)

Arguments

x	a list of objects with attributes
attrs	a character vector. If an element in the vector is named, the name is used as the new (column) name for that attribute's column in the resulting data-frame.
omit_na	whether to drop columns with all NA values

Value

a data-frame with a column for each of the attributes in attrs. By default, non-existent attributes will be stored with NA values and strings are not factors.

tjmahr/lookr documentation built on May 31, 2019, 3:41 p.m.