bibliometrix (version 4.3.5)

sourceGrowth: Number of documents published annually per Top Sources

Description

It calculates yearly published documents of the top sources.

Usage

sourceGrowth(M, top = 5, cdf = TRUE)

Value

an object of class data.frame

Arguments

M

is a data frame obtained by the converting function convert2df. It is a data matrix with cases corresponding to articles and variables to Field Tag in the original ISI or SCOPUS file.

top

is a numeric. It indicates the number of top sources to analyze. The default value is 5.

cdf

is a logical. If TRUE, the function calculates the cumulative occurrences distribution.

Examples

data(scientometrics, package = "bibliometrixData")
topSO <- sourceGrowth(scientometrics, top = 1, cdf = TRUE)
topSO

# Plotting results
if (FALSE) {
install.packages("reshape2")
library(reshape2)
library(ggplot2)
DF <- melt(topSO, id = "Year")
ggplot(DF, aes(Year, value, group = variable, color = variable)) +
  geom_line()
}