如何在sliderbar（交互式地图）中过滤闪亮传单中的年份 库（闪亮） 图书馆（单张） 图书馆（RMySQL） 图书馆（DBI） 数据% addLegend（position=“bottomleft”， title=“事故类型”， pal=d_颜色，值=~d$acci_类型，不透明度=1） }) d_颜色% clearShapes（）%>% 添加圆（lng=~d$经度，纬度=~d$纬度，颜色=~d_颜色（d$acci_类型），半径=20， popup=paste0（“事故地点：”，d$事故地址，事故年份：”，d$事故年份，발생건수:", d$발생건수, “사상자수:“，d$사상자수, "사망자수:", d$사망자수, “중상자수:“，d$중상자수, "경상자수:", d$경상자수, “부상자수:“，d$부상자수)) }) } shinyApp（用户界面=用户界面，服务器=服务器）
我为你把一些韩语变为英语！ 因为这个函数，我一周内不能进行下一步。。如何在sliderbar（交互式地图）中过滤闪亮传单中的年份 库（闪亮） 图书馆（单张） 图书馆（RMySQL） 图书馆（DBI） 数据% addLegend（position=“bottomleft”， title=“事故类型”， pal=d_颜色，值=~d$acci_类型，不透明度=1） }) d_颜色% clearShapes（）%>% 添加圆（lng=~d$经度，纬度=~d$纬度，颜色=~d_颜色（d$acci_类型），半径=20， popup=paste0（“事故地点：”，d$事故地址，事故年份：”，d$事故年份，발생건수:", d$발생건수, “사상자수:“，d$사상자수, "사망자수:", d$사망자수, “중상자수:“，d$중상자수, "경상자수:", d$경상자수, “부상자수:“，d$부상자수)) }) } shinyApp（用户界面=用户界面，服务器=服务器）,r,shiny,r-leaflet,R,Shiny,R Leaflet,我为你把一些韩语变为英语！ 因为这个函数，我一周内不能进行下一步。。 非常感谢您的回答！！更新 错误持续存在于您的代码中您正在替换地图中的所有点，因此您的地图不会使用sliderInput更改。您需要通过以下方式更改lng=~d$经度，lat=~d$纬度，： lng=~经度，lat=~纬度，这意味着您不想在地图中添加所有的圆~d$longitude lat=~d$latitude，而只想添加通过滑块过滤的圆putlng=~经度lat=~纬度 当您使用Filteredata（）进行筛选时，您不需要
非常感谢您的回答！！更新 错误持续存在于您的代码中您正在替换地图中的所有点，因此您的地图不会使用sliderInput更改。您需要通过以下方式更改
lng=~d$经度，lat=~d$纬度，lng=~经度，lat=~纬度，~d$longitude lat=~d$latitudelng=~经度lat=~纬度d$lat~latproxy（“m”，data=filteredData（））%>%
clearShapes（）%>%
addCircles（lng=~d$long，lat=~d$lat，color=~d_color（d$acci_类型），#此行
库（闪亮）
图书馆（单张）
d=数据帧(
会计年度=c（2012201320142015），
长=c（126.97806126.97822126125.97806124.97806），
lat=c（37.56667,35.56667,38.56667,37.56667），
acci_类型=c（“低”、“高”、“中”、“高”），
事故发生地点=c（“1字”、“2字”、“3字”、“4字”），
事故2=c（“另一个词1”、“另一个词2”、“另一个词3”、“另一个词4”），
事故3=c（“Otherword1”、“Otherword2”、“Otherword3”、“Otherword4”），
事故4=c（“示例1”、“示例2”、“示例3”、“示例4”），
事故5=c（“另一个示例1”、“另一个示例2”、“另一个示例3”、“另一个示例4”），
事故6=c（“一个或多个示例1”、“一个或多个示例2”、“一个或多个示例3”、“一个或多个示例4”），
事故7=c（“ex1”、“ex2”、“ex3”、“ex4”），
事故8=c（“2号事故1号”、“2号事故2号”、“2号事故3号”、“2号事故4号”）
)
ui%
addLegend（position=“bottomleft”，
标题=”사고유형",
pal=d_颜色，值=~d$acci_类型，不透明度=1）
})
d_颜色%
clearShapes（）%>%
添加圆（lng=~long，lat=~lat，color=~d_color（acci_类型），半径=20，
弹出=粘贴0（“
사고장소:“，d$事故发生地点，”
발생년도:“，d$意外事故2，”
意外事故3:”，d$意外事故3，
“
事故4:”，d$事故4，
事故5:”，d$事故5，
“
事故6:”，d$事故6，
事故7:”，d$事故7，
事故（8:，d$事故（8））
} )
}
shinyApp（用户界面、服务器）
library(shiny)
library(leaflet)
d=data.frame(
acci_year=c(2012,2013,2014,2015),
longt=c(126.97806,126.97822126,125.97806,124.97806),
lat=c(37.56667,35.56667,38.56667,37.56667),
acci_type=c("low","high","medium","high"),
accident_happen_place=c("word1","word2","word3","word4"),
accident_2 =c("anotherword1","anotherword2","anotherword3","anotherword4"),
accident_3=c("otheword1","otheword2","otheword3","otheword4"),
accident_4 =c("example1","example2","example3","example4"),
accident_5 =c("anotherexample1","anotherexample2","anotherexample3","anotherexample4"),
accident_6 =c("onemoreexample1","onemoreexample2","onemoreexample3","onemoreexample4"),
accident_7 =c("ex1","ex2","ex3","ex4"),
accident_8 =c("2_ex1","2_ex2","2_ex3","2_ex4")
)
ui <- navbarPage("Interactive Map",
tabPanel("Map",
leafletOutput("m", height=800),
tags$style("
#controls {
backgropund-color: #ddd;
opacity: 0.7;
}
#controls:hover{
opacity: 1;
}
"),
absolutePanel(id = "controls", class="panel panel-default",
fixed =TRUE, draggable = TRUE, top=60, left="auto",
right=20, bottom ="auto", width=250, height=450,
sliderInput("year",
"years:",
min=min(d$acci_year),
max=max(d$acci_year),
value=2012:2019,
step=1, sep=""))))
server <- function(input, output, session){
filteredData <- reactive({
d[d$acci_year >= input$year[1] & d$acci_year <= input$year[2],]
})
d_colour <- colorFactor("viridis", d$acci_type)
output$m <- renderLeaflet({
leaflet(d) %>%
setView(lng = 126.97806, lat=37.56667, zoom=7) %>%
addTiles() %>%
addCircles(lng=~d$longt, lat=~d$lat, color=~d_colour(d$acci_type), radius=20,
popup=paste0("<br>사고장소:", d$accident_happen_place, "<br>accident_2:", d$accident_2, "<br>accident_3:", d$accident_3,
"<br>accident_4:", d$accident_4, "<br>accident_5:", d$accident_5,
"<br>accident_6:", d$accident_6, "<br>accident_7:", d$accident_7,
"<br>accident_8:", d$accident_8)) %>%
addLegend(position = "bottomleft",
title = "사고유형",
pal = d_colour, values = ~d$acci_type, opacity = 1)
})
d_colour <- colorFactor("viridis", d$acci_type)
observe({
leafletProxy("m", data=filteredData()) %>%
clearShapes() %>%
addCircles(lng=~longt, lat=~lat, color=~d_colour(acci_type), radius=20,
popup=paste0("<br>사고장소:", d$accident_happen_place, "<br>발생년도:", d$accident_2, "<br>accident_3:", d$accident_3,
"<br>accident_4:", d$accident_4, "<br>accident_5:", d$accident_5,
"<br>accident_6:", d$accident_6, "<br>accident_7:", d$accident_7,
"<br>accident_8:", d$accident_8) )
} )
}
shinyApp(ui, server)
d当您键入控制台d时$사고발생지 发生了什么？@KmnsE2啊，它的意思是“列”사고발생지（意外发生地点）“”的数据dMy问题已完成：在observe中的弹出窗口中更改d$->Filteredata（）$！！非常感谢您的回答！！但是，我收到了以下错误：addcircles中的错误：找不到函数“addcircles”将addcircles替换为addcircles，R区分大小写。将您的Filteredata更改为My Filteredata=输入$year[1]&d$acci\u一年好的，我会再问！！我再问问题
ui <- navbarPage("Interactive Map",
tabPanel("Map",
leafletOutput("m", height=800),
tags$style("
#controls {
backgropund-color: #ddd;
opacity: 0.7;
}
#controls:hover{
opacity: 1;
}
"),
absolutePanel(id = "controls", class="panel panel-default",
fixed =TRUE, draggable = TRUE, top=60, left="auto",
right=20, bottom ="auto", width=250, height=450,
sliderInput("year",
"years:",
min=min(d$acci_year),
max=max(d$acci_year),
value=range(d$acci_year),
step=1, sep=""))))
server <- function(input, output, session){
filteredData <- reactive({
d[d$acci_year >= input$year[1] & d$acci_year <= input$year[2],]
})
d_colour <- colorFactor("viridis", d$acci_type)
output$m <- renderLeaflet({
leaflet(d) %>%
setView(lng = 126.97806, lat=37.56667, zoom=13) %>%
addTiles() %>%
addCircles(lng=~d$longitude, lat=~d$latitude, color=~d_colour(d$acci_type), radius=20,
popup=paste0("<br>accident place:", d$accident_address, "<br>accident year:", d$acci_year, "<br>발생건수:", d$발생건수,
"<br>사상자수:", d$사상자수, "<br>사망자수:", d$사망자수,
"<br>중상자수:", d$중상자수, "<br>경상자수:", d$경상자수,
"<br>부상자수:", d$부상자수)) %>%
addLegend(position = "bottomleft",
title = "types of accident",
pal = d_colour, values = ~d$acci_type, opacity = 1)
})
d_colour <- colorFactor("viridis", d$acci_type)
observe({
leafletProxy("m", data=filteredData()) %>%
clearShapes() %>%
addCircles(lng=~d$longitude, lat=~d$latitude, color=~d_colour(d$acci_type), radius=20,
popup=paste0("<br>accident place:", d$accident_address, "<br>accident year:", d$acci_year, "<br>발생건수:", d$발생건수,
"<br>사상자수:", d$사상자수, "<br>사망자수:", d$사망자수,
"<br>중상자수:", d$중상자수, "<br>경상자수:", d$경상자수,
"<br>부상자수:", d$부상자수))
})
}
shinyApp(ui=ui, server=server)
leafletProxy("m", data=filteredData()) %>%
clearShapes() %>% clearMarkers() %>%
addCircles(lng=~longt, lat=~lat, #don't forget ~ to specify that the column comes from filteredData()
color=~d_colour(acci_type),
library(shiny)
library(leaflet)
d=data.frame(
acci_year=c(2012,2013,2014,2015),
longt=c(126.97806,126.97822126,125.97806,124.97806),
lat=c(37.56667,35.56667,38.56667,37.56667),
acci_type=c("low","high","medium","high"),
accident_happen_place=c("word1","word2","word3","word4"),
accident_2 =c("anotherword1","anotherword2","anotherword3","anotherword4"),
accident_3=c("otheword1","otheword2","otheword3","otheword4"),
accident_4 =c("example1","example2","example3","example4"),
accident_5 =c("anotherexample1","anotherexample2","anotherexample3","anotherexample4"),
accident_6 =c("onemoreexample1","onemoreexample2","onemoreexample3","onemoreexample4"),
accident_7 =c("ex1","ex2","ex3","ex4"),
accident_8 =c("2_ex1","2_ex2","2_ex3","2_ex4")
)
ui <- navbarPage("Interactive Map",
tabPanel("Map",
leafletOutput("m", height=800),
tags$style("
#controls {
backgropund-color: #ddd;
opacity: 0.7;
}
#controls:hover{
opacity: 1;
}
"),
absolutePanel(id = "controls", class="panel panel-default",
fixed =TRUE, draggable = TRUE, top=60, left="auto",
right=20, bottom ="auto", width=250, height=450,
sliderInput("year",
"years:",
min=min(d$acci_year),
max=max(d$acci_year),
value=2012:2019,
step=1, sep=""))))
server <- function(input, output, session){
filteredData <- reactive({
d[d$acci_year >= input$year[1] & d$acci_year <= input$year[2],]
})
d_colour <- colorFactor("viridis", d$acci_type)
output$m <- renderLeaflet({
leaflet(d) %>%
setView(lng = 126.97806, lat=37.56667, zoom=7) %>%
addTiles() %>%
addCircles(lng=~d$longt, lat=~d$lat, color=~d_colour(d$acci_type), radius=20,
popup=paste0("<br>사고장소:", d$accident_happen_place, "<br>accident_2:", d$accident_2, "<br>accident_3:", d$accident_3,
"<br>accident_4:", d$accident_4, "<br>accident_5:", d$accident_5,
"<br>accident_6:", d$accident_6, "<br>accident_7:", d$accident_7,
"<br>accident_8:", d$accident_8)) %>%
addLegend(position = "bottomleft",
title = "사고유형",
pal = d_colour, values = ~d$acci_type, opacity = 1)
})
d_colour <- colorFactor("viridis", d$acci_type)
observe({
leafletProxy("m", data=filteredData()) %>%
clearShapes() %>%
addCircles(lng=~longt, lat=~lat, color=~d_colour(acci_type), radius=20,
popup=paste0("<br>사고장소:", d$accident_happen_place, "<br>발생년도:", d$accident_2, "<br>accident_3:", d$accident_3,
"<br>accident_4:", d$accident_4, "<br>accident_5:", d$accident_5,
"<br>accident_6:", d$accident_6, "<br>accident_7:", d$accident_7,
"<br>accident_8:", d$accident_8) )
} )
}
shinyApp(ui, server)
d <- dbGetQuery(con, "select * from accidents"
dbGetQuery(con,d)
d <- dbGetQuery(con, "select * from accidents")