international_col {scientoText}

International Collaboration

Description

Calculate the number of Internationally Collaborated Papers

Usage

international_col(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)

Details

It finds if there is any International Collaboration so affiliation fields must have country information

Value

Collaboration count or a list (collaboration counts year-wise)

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_col( affiliations, pub_years)
international_col(affiliations)