链接
让我们把平均行程时长的数值框链接到一个包含行程时长详细信息的页面。
本练习是课程的一部分
使用 flexdashboard 构建仪表板
练习说明
- 将 "Median Trip Length" 数值框链接到 Trip Duration 页面。
- 编织并展开 HTML 查看器，然后试一下这个链接。
交互式实操练习
通过完成这段示例代码来试试这个练习。
{"my_document.Rmd":"---\ntitle: \"Bike Shares Daily\"\noutput: \n flexdashboard::flex_dashboard:\n orientation: columns\n vertical_layout: fill\n---\n\n```{r setup, include=FALSE}\nlibrary(flexdashboard)\nlibrary(readr)\nlibrary(tidyverse)\nlibrary(lubridate)\nlibrary(plotly)\n\ntrips_df <- read_csv('https://assets.datacamp.com/production/course_6355/datasets/sanfran_bikeshare_joined_oneday.csv')\n```\n\nOverview\n====================================================\n\nColumn {data-width=650}\n-----------------------------------------------------------------------\n\n### Origins\n\n\nColumn {data-width=350}\n-----------------------------------------------------------------------\n\n### Median Trip Length\n\n```{r}\n\nmedian_min <- median(trips_df$duration_sec / 60) %>% round(digits = 1)\n\nvalueBox(median_min, \n caption = 'Median Trip Duration (Minutes)', \n icon = 'fa-clock-o')\n\n\n```\n\n### % Short Trips\n\n\n### Trips by Start Time\n\n\nTrip Duration\n====================================================\n\n### Trip Durations\n\n```{r}\n\nduration_plot <- trips_df %>%\n mutate(`Trip Duration (min)` = duration_sec / 60) %>%\n ggplot(aes(x = `Trip Duration (min)`)) +\n theme_bw() +\n geom_histogram(binwidth = 1) +\n ylab('# Trips')\n\nduration_plot %>% ggplotly()\n\n```\n\n\n"}