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| # dataset avec les deux categories
d <- data.frame(
dt = rep(seq(as.Date("2020/12/22"), by = "day", length.out = 2)),
nb = c(20,22,18,24),
cat = rep(c('A','A','B','B'))
)
# dataset avec categorie A absente
d2 <- data.frame(
dt = rep(seq(as.Date("2020/12/22"), by = "day", length.out = 2)),
nb = c(20,22,18,24),
cat = rep(c('B','B'))
)
library(ggplot2)
library(gridExtra)
g1 <- ggplot(d) +
aes(x = dt, y = nb, fill = cat) +
geom_bar(stat = "identity")
g2 <- ggplot(d2) +
aes(x = dt, y = nb, fill = cat) +
geom_bar(stat = "identity")
grid.arrange(g1, g2, ncol = 2, nrow = 1) |
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