i.map | R Documentation |
Generates a network of international collaboration.
i.map( biblio, homeCountry = NULL, ext = c(-180, 180, -55, 90), sea.col = "white", country.col = "grey", country.border.col = "black", country.border.tick = 0.3, line.curvature = 0.1, line.size = 0.8, line.alpha = 0.4, line.color = "black", country.point.color = "white", country.point.line = "black", country.point.alpha = 0.8, country.size.proportional = FALSE, country.point.size = 1, homeCountry.point.color = "darkgrey", homeCountry.point.line = "black", homeCountry.point.alpha = 0.8, homeCountry.point.size = 5 )
biblio |
A data.frame exported from Web of Science as tab delimited text, full record OR a vector with country frequencies where names are the country names. |
homeCountry |
A character string specifying the country of origin of the researcher. Look at map$country for the complete list. If NULL, the country with most hits in Web of Science is used. |
ext |
extent of the bounding box of the map in decimal degrees (minX, maxX, minY, maxY). |
sea.col |
A character indicating the color of the sea. |
country.col |
A character indicating the color of the countries in the world. |
country.border.col |
A character indicating the color of the border among countries. |
country.border.tick |
An integer value defining the size of the border line among countries. |
line.curvature |
An integer value defining the curvature of the line connecting the home country with the countries of collaborators. |
line.size |
An integer value defining the size of the line connecting the home country with the countries of collaborators. |
line.alpha |
An integer value defining the transparency of the line connecting the home country with the countries of collaborators. |
line.color |
A character indicating the color of the line connecting the home country with the countries of collaborators. |
country.point.color |
A character indicating the color of the vertex representing each country. |
country.point.line |
A character indicating the color of line of the vertex representing each country. |
country.point.alpha |
An integer value defining the transparency of the vertex representing each country. |
country.size.proportional |
Logical. If TRUE, the size of each country is proportional to the number of collaborations. |
country.point.size |
An integer value defining the size of vertex representing each country. Ignored if country.size.proportional = TRUE. |
homeCountry.point.color |
A character indicating the color of the vertex representing the home country. |
homeCountry.point.line |
A character indicating the color of the line of the vertex representing the home country. |
homeCountry.point.alpha |
An integer value defining the transparency of the vertex representing the home country. |
homeCountry.point.size |
An integer value defining the size of vertex representing the home country. |
The network connects the researcher with all their collaborators.
A map with the network of collaborations.
data(biblio) i.map(biblio, country.size.proportional = TRUE) biblio = c(5, 3, 2, 1) names(biblio) = c("Finland", "Portugal", "Brazil", "Italy") i.map(biblio)
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