Leadership.getPositions: Get leadership positions by state and office
In umatter/pvsR: Interact with the Project Vote Smart API for Scientific Research

Description Usage Arguments Value Author(s) References Examples

This function is a wrapper for the Leadership.getPositions() method of the PVS API Leadership class which returns leadership positions by state and office. The function sends a request with this method to the PVS API for all state and office IDs given as a function input, extracts the XML values from the returned XML file(s) and returns them arranged in one data frame.

1	Leadership.getPositions(stateId="NA", officeId=NULL)

`stateId`	(optional) a character string or list of character strings with the state ID(s) (default: "NA", for national) (see references for details)
`officeId`	(optional) a character string or list of character strings with the office ID(s) (default: All) (see references for details)

A data frame with a row for each leadership position and columns with the following variables describing the position:
leadership.position*.leadershipId,
leadership.position*.name,
leadership.position*.officeId,
leadership.position*.officeName.

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

http://api.votesmart.org/docs/Leadership.html
Use State.getStateIDs() to get a list of state IDs.
See http://api.votesmart.org/docs/semi-static.html for a list of office IDs or use Office.getOfficesByType(), Office.getOfficesByLevel(), Office.getOfficesByTypeLevel() or Office.getOfficesByBranchLevel() to get a list of office ID(s).
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

# 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 leadership positions by state ID and office ID
## Not run: positions <- Leadership.getPositions(list("AL","FL"),8)
## Not run: positions