plot_nb_cit_char_one_step <- function(
step,
dta.final,
dta,
sast.parameters,
sep.charact
) {
s <- step
dta.step <- dta[, seq(s, ncol(dta), length(sast.parameters))]
if (s == length(sast.parameters)) {
dta.step <- as.vector(dta.step)
} else {
dta.step <- as.vector(dta.step)[-which(as.vector(dta.step) == "")]
}
vec.cit.char.step <- table(unlist(strsplit(dta.step, sep.charact)))
vec.cit.char.step <- sort(vec.cit.char.step, decreasing = TRUE)
if (length(vec.cit.char.step) > 15) {
vec.cit.char.step <- vec.cit.char.step[1 : 15]
}
dta.nb.cit.char <- as.data.frame(vec.cit.char.step)
colnames(dta.nb.cit.char) <- c("Characteristic", "Nb.cit.char")
dta.nb.cit.char$Characteristic <- factor(dta.nb.cit.char$Characteristic, levels = levels(dta.nb.cit.char$Characteristic)[nlevels(dta.nb.cit.char$Characteristic) : 1])
nb.cit.char.occ.max <- max(dta.nb.cit.char$Nb.cit.char)
plot.nb.cit.char <- ggplot(NULL) +
geom_bar(data = dta.nb.cit.char, aes(x = Characteristic, y = Nb.cit.char), stat = "identity", fill = "#E5E5E5") +
geom_text(data = dta.nb.cit.char, aes(x = Characteristic, y = 0, label = Nb.cit.char), hjust = 1.3, color = "#444444", size = 3.5) +
geom_text(data = dta.nb.cit.char, aes(x = Characteristic, y = 0.5, label = Characteristic), fontface = "bold", hjust = 0, color = "#444444", size = 3.5) +
ggtitle(paste("Number of citations of the most used characteristics during the step", s)) +
coord_flip() +
theme(
panel.background = element_rect(fill = 'white', colour = "#444444"),
panel.grid.major = element_line(colour = "white"),
panel.grid.minor = element_line(colour = "white"),
axis.text.y = element_blank(),
axis.text.x = element_text(colour = "#444444", size = 10),
axis.ticks.x = element_line(colour = "#444444"),
axis.ticks.y = element_blank(),
axis.title = element_text(colour = "white"),
plot.title = element_text(face = "bold", hjust = 0.5, size = 12, color = "#444444"),
legend.position = "none")
return(
list(
plot.nb.cit.char = plot.nb.cit.char,
nb.cit.char.occ.max = nb.cit.char.occ.max
)
)
}
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