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r - 如何在ggplot2中删除日期 Axis 上的间隙

转载 作者:行者123 更新时间:2023-12-04 10:11:06 26 4
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如何清理这些没有数据的空白空间?
我的数据集的一个片段:

contratos.dolar <- read.table(text = "
DATA TOTAL IE II PJF PJNF PF VAR
1 2020-02-28 1003124 178481 -168172 -11901 5497 -3905 <NA>
2 2020-03-02 643282 140910 -127170 -28232 18187 -3695 -37571
3 2020-03-03 665899 162927 -138690 -34084 14577 -4770 22017
4 2020-03-04 688097 195154 -151717 -47994 9912 -5355 32227
5 2020-03-05 739802 255604 -178552 -82204 8707 -3555 60450
6 2020-03-06 739802 255604 -178552 -82204 8707 -3555 0", header = TRUE)
我的代码:
ggplot(contratos.dolar, aes(x = DATA, y = as.numeric(IE), fill = IE > 0)) +
geom_bar(stat='identity') +
labs(title = "Dolar futuro - Contratos em aberto", subtitle = "Investidor Estrangeiro", caption = format.Date(hoje, "%d/%m/%Y")) +
xlab("") +
ylab("") +
scale_x_date(date_labels = "%d/%m", expand = c(0,0), limits = c(Sys.Date() - 40, NA), breaks = "2 day") +
scale_y_continuous(labels = scales::comma, n.breaks = 7) +
theme_minimal() +
theme(axis.text.x = element_text(angle = 90, hjust = 1), plot.caption = element_text(size=10, face="bold.italic")) +
guides(fill = FALSE)
我得到的情节图片:
My ggplt

最佳答案

要消除日期 Axis 中的间隙,您必须将日期列转换为因子。为了仅显示第二个日期,我添加了一个辅助函数。尝试这个:

contratos.dolar <- read.table(text = "
DATA TOTAL IE II PJF PJNF PF VAR
1 2020-02-28 1003124 178481 -168172 -11901 5497 -3905 <NA>
2 2020-03-02 643282 140910 -127170 -28232 18187 -3695 -37571
3 2020-03-03 665899 162927 -138690 -34084 14577 -4770 22017
4 2020-03-04 688097 195154 -151717 -47994 9912 -5355 32227
5 2020-03-05 739802 255604 -178552 -82204 8707 -3555 60450
6 2020-03-06 739802 255604 -178552 -82204 8707 -3555 0", header = TRUE)

contratos.dolar$DATA <- as.Date(contratos.dolar$DATA, "%Y-%m-%d")
hoje <- Sys.Date()

contratos.dolar$DATA1 <- factor(format(contratos.dolar$DATA, "%d %m"))
contratos.dolar$DATA1 <- forcats::fct_reorder(contratos.dolar$DATA1, contratos.dolar$DATA)

mybreaks <- function(x) {
x[seq_along(x) %% 2 == 1]
}

library(ggplot2)

ggplot(contratos.dolar, aes(x = DATA1, y = as.numeric(IE), fill = IE > 0)) +
geom_bar(stat='identity') +
labs(title = "Dolar futuro - Contratos em aberto", subtitle = "Investidor Estrangeiro", caption = format.Date(hoje, "%d/%m/%Y")) +
xlab("") +
ylab("") +
scale_y_continuous(labels = scales::comma, n.breaks = 7) +
scale_x_discrete(breaks = mybreaks) +
theme_minimal() +
theme(axis.text.x = element_text(angle = 90, hjust = 1), plot.caption = element_text(size=10, face="bold.italic")) +
guides(fill = FALSE)



创建于 2020-04-20 由 reprex package (v0.3.0)

关于r - 如何在ggplot2中删除日期 Axis 上的间隙,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61331557/

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