我對R相對較新,對Shiny很新,但是我一直無法找到有關此錯誤的信息。使用showoutput和多個圖表時閃亮不輸出
我創建了兩個圖表,一個使用d3heatmap
,另一個使用leaflet
。當我單獨運行這些腳本時,它們都可以工作。我遵循指示並使用boostrapPage()
將兩張圖顯示在一起,閃亮。
代碼可以在這裏找到:https://github.com/jotasolano/dengueCR,但我會貼在下面。我得到的應該顯示圖表(不是在控制檯),在彈出的窗口中的錯誤信息
ERROR: path[1]="": No such file or directory
。任何想法爲什麼發生這種情況?
server.R:
library(dplyr)
library(d3heatmap)
library(RColorBrewer)
library(shiny)
library(leaflet)
library(rCharts)
function(input, output, session) {
output$heatmap <- renderD3heatmap({
#convert to df and drop total
cases <- read.csv("casos_2015.csv") %>%
select(-Total) %>%
select(-Semana)
d3heatmap(cases, scale = "row",
dendrogram = "none",
color = scales::col_quantile("Reds", NULL, 10),
xaxis_font_size = "10px",
show_grid = 0.2)
})
output$geomap <- renderPlot({
data <- read.csv("cantones.csv")
casos_popup <- paste0("<strong>Canton: </strong>", data$canton,
"<br><strong>Cases: </strong>", data$casos,
"<br><strong>Rate: </strong>", signif(data$tasa, 3))
m <- leaflet(data) %>%
addProviderTiles("CartoDB.Positron") %>%
addCircles(~lng,
~lat,
popup = casos_popup,
radius = ~sqrt(casos) * 300,
weight = 1,
color = "red")
})
}
ui.R:
library(shiny)
library(d3heatmap)
library(leaflet)
library(rCharts)
bootstrapPage(mainPanel(width = 12,
div(class = "row",
div(showOutput("heatmap", "d3heatmap"), class = "span6"),
div(showOutput("geomap", "leaflet"), class = "span6")
)
))
另外,如果你看到任何可怕的做法,請隨時注意,因爲就像我說的,我是比較新有時文檔很亂。
謝謝!
附:我遵循這些說明http://stackoverflow.com/questions/21895321/shiny-rcharts-multiple-chart-output – JotaSolano