international_colmat: International Collaboration Matrix

In scientoText: Text & Scientometric Analytics

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)

Details

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

Value

Collaboration adjacent matrix(es)

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)

Example output

$years
[1] 2012 2013 2014

$total_instances
[1] 2 1 1

$ic_adjacent_matrix
$ic_adjacent_matrix[[1]]
              United States Canada
United States             0      1
Canada                    1      0

$ic_adjacent_matrix[[2]]
              United States China
United States             0     1
China                     1     0

$ic_adjacent_matrix[[3]]
               United Kingdom France
United Kingdom              0      1
France                      1      0


$total_instances
[1] 4

$ic_adjacent_matrix
               United States China United Kingdom France Canada
United States              0     1              0      0      1
China                      1     0              0      0      0
United Kingdom             0     0              0      1      0
France                     0     0              1      0      0
Canada                     1     0              0      0      0

scientoText documentation built on May 2, 2019, 1:45 p.m.