Field Tag distribution by Year
It calculates the median year for each item of a field tag.
fieldByYear( M, field = "ID", timespan = NULL, min.freq = 2, n.items = 5, labelsize = NULL, dynamic.plot = FALSE, graph = TRUE )
M |
is a bibliographic data frame obtained by |
field |
is a character object. It indicates one of the field tags of the standard ISI WoS Field Tag codify. |
timespan |
is a vector with the min and max year. If it is = NULL, the analysis is performed on the entire period. Default is |
min.freq |
is an integer. It indicates the min frequency of the items to include in the analysis |
n.items |
is an integer. I indicates the maximum number of items per year to include in the plot. |
labelsize |
is deprecated argument. It will be removed in the next update. |
dynamic.plot |
is a logical. If TRUE plot aesthetics are optimized for plotly package. |
graph |
is logical. If TRUE the function plots Filed Tag distribution by Year graph. Default is |
The function fieldByYear returns a list containing threeobjects:
df |
is a data frame | |
df_graph
|
is a data frame with data used to build the graph | |
graph |
a ggplot object |
biblioAnalysis function for bibliometric analysis
summary method for class 'bibliometrix'
data(management, package = "bibliometrixData")
timespan=c(2005,2015)
res <- fieldByYear(management, field = "ID", timespan = timespan,
min.freq = 5, n.items = 5, graph = TRUE)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.