scientoText (version 0.1)

international_colmat: International Collaboration Matrix

Description

Calculate Internationally Collaborated Matrix(es)

Usage

international_colmat(affiliations, pub_years = NULL, countries = NULL)

Arguments

affiliations

A text vector containing affiliation (country) information

pub_years

A numeric vector containing publication years

countries

A list of countries (optional)

Value

Collaboration adjacent matrix(es)

Details

It finds the collaboration network at internationla level in terms of adjacent matrix so affiliation fields must have country information

Examples

affiliations<-c("Stanford University, Stanford, CA, United States; Montreal, QC, Canada",
"Stanford University, United States; Google Inc., United States",
"University of Michigan, Ann Arbor, MI 48109-2122, United States;
Tsinghua University, Beijing 100084, China",
"Imperial College London, London, SW7 2BZ, United Kingdom;
ENSTA, Ecole Polytechnique, Palaiseau, 91761, France")

pub_years<-c(2012,2012,2013,2014)

international_colmat( affiliations, pub_years)
international_colmat(affiliations)