Rating.getSigRatings: Get all ratings (scorecards) by a special interest group

In umatter/pvsR: Interact with the Project Vote Smart API for Scientific Research

Description

This function is a wrapper for the Rating.getSigRatings() method of the PVS API Rating class which dumps all ratings (scorecards) by a special interest group. The function sends a request with this method to the PVS API for all candidate and SIG IDs given as a function input, extracts the XML values from the returned XML file(s) and returns them arranged in one data frame.

Usage

Rating.getSigRatings(sigId)

Arguments

sigId

a character string or list of character strings with the special interest group's ID(s) (see references for details)

Value

A data frame with a row for each special interest group and columns with the following variables describing the rating:
sig.sigId,
sig.name,
rating*.ratingId,
rating*.timespan,
rating*.ratingName,
rating*.ratingText.

Author(s)

Ulrich Matter <ulrich.matter-at-unibas.ch>

References

http://api.votesmart.org/docs/Rating.html
Use Rating.getSigList() to get a list of special interest group's IDs.
See also: Matter U, Stutzer A (2015) pvsR: An Open Source Interface to Big Data on the American Political Sphere. PLoS ONE 10(7): e0130501. doi: 10.1371/journal.pone.0130501

Examples

# First, make sure your personal PVS API key is saved as an option
# (options("pvs.key" = "yourkey")) or in the pvs.key variable:
## Not run: pvs.key <- "yourkey"
# get ratings of certain special interest groups
## Not run: rating <- Rating.getSigRatings(list(568,1120,1704))
## Not run: rating

umatter/pvsR documentation built on Jan. 9, 2021, 4:35 p.m.