我正在尝试将 gghighlight 与 directlabels 一起使用

Question

我有以下代码，它绘制没有问题，除了我只显示第一个标签并且它位于右下角而不是行尾。我哪里做错了？

p1 <- ggplot() + 
  geom_line(data = data.cn, aes(dateRep, cumsum(deaths),colour = geoId)) +
  geom_line(data = data.uk, aes(dateRep, cumsum(deaths),colour = geoId)) +
  geom_line(data = data.it, aes(dateRep, cumsum(deaths),colour = geoId)) +
  geom_line(data = data.es, aes(dateRep, cumsum(deaths),colour = geoId)) +
  geom_line(data = data.us, aes(dateRep, cumsum(deaths),colour = geoId)) +
  geom_line(data = data.tr, aes(dateRep, cumsum(deaths),colour = geoId)) +

  xlab('Date') +
  ylab('Deaths') +

  gghighlight(TRUE,  label_key = geoId, use_direct_label = TRUE,
              label_params = list(segment.color = NA, nudge_x = 1))

编辑

获取数据的完整代码

library(httr)
library(dplyr)
library(tidyverse)
library(ggplot2)
library(tidyr)
library(gghighlight)

GET("https://opendata.ecdc.europa.eu/covid19/casedistribution/csv", authenticate(":", ":", type="ntlm"), write_disk(tf <- tempfile(fileext = ".csv")))
data <- read.csv(tf)

data$geoId <- as.character(data$geoId)
data$dateRep <- as.Date(data$dateRep, "%d/%m/%Y")

data.cn <- subset(data, geoId == "CN") %>% arrange(dateRep)
data.it <- subset(data, geoId == "IT") %>% arrange(dateRep)
data.uk <- subset(data, geoId == "UK") %>% arrange(dateRep)
data.es <- subset(data, geoId == "ES") %>% arrange(dateRep)
data.us <- subset(data, geoId == "US") %>% arrange(dateRep)
data.tr <- subset(data, geoId == "TR") %>% arrange(dateRep)
data.nl <- subset(data, geoId == "NL") %>% arrange(dateRep)
data.aus <- subset(data, geoId == "AU") %>% arrange(dateRep)

Answer 1

你很接近，数据需要是“长”格式；所以这里有一种方法可以做到。

准备

library(httr)
library(dplyr)
library(ggplot2)
library(gghighlight)

GET("https://opendata.ecdc.europa.eu/covid19/casedistribution/csv", authenticate(":", ":", type="ntlm"), write_disk(tf <- tempfile(fileext = ".csv")))

data$geoId <- as.character(data$geoId)
data$dateRep <- as.Date(data$dateRep, "%d/%m/%Y")

# Countries you are interested in plotting

geo_ids <- c("CN", "IT", "UK", "ES", "US", "TR", "NL", "AU")

数据整理

使用绘图所需的变量以“长”格式构建数据

d1 <- 
  data %>% 
  filter(geoId %in% geo_ids) %>% 
  group_by(geoId) %>% 
  arrange(geoId, dateRep) %>% 
  mutate(cs_deaths = cumsum(deaths))

情节

ggplot(d1, aes(dateRep, cs_deaths, colour = geoId))+
  geom_line()+
  labs(x = "Date",
       y = "Deaths")+
  gghighlight(TRUE,  label_key = geoId, use_direct_label = TRUE,
              label_params = list(segment.color = NA, nudge_x = 1))

^{由 reprex package (v0.3.0)}

于 2020-05-13 创建

我正在尝试将 gghighlight 与 directlabels 一起使用

I'm trying to use gghighlight with directlabels

r

gghighlight

编辑

准备

数据整理

情节