r - 为什么X轴不能正确显示日期？

Question

代码

library(shiny)
library(ggplot2)
library(reshape2)
library(plotly)

data <- read.csv("https://covid.ourworldindata.org/data/full_data.csv")
data$date <- as.Date(data$date, format = "%Y-%m-%d")
class(data$date)

data$location <- as.character(data$location)

ggplot(data = data, mapping = aes(x = date, y = total_cases, color = location)) +
    geom_line()

标签： rggplot2r-plotly

Answer 1

我建议您搜索scale_x_date并使用它来自定义日期标签。