第一篇文章,希望我记得包含所有内容并使用正确的术语!
不久前,我使用 data.tree 创建了一个图表,显示了一群动物之间的关系。除了动物名称之外,该图表还包括信息,例如它在牛群中的排名。这是输出的示例。
我现在正试图把它变成一个闪亮的应用程序,这样你就可以从下拉列表中选择一种动物来显示它的家庭。我已经成功地完成了这项工作,但是,这棵树缺少有关动物的样式和其他信息。这是一个与前一个进行比较的示例,没有任何样式。
这是原始 R 脚本中产生所需格式的代码。
library(data.tree)
library(dplyr)
#data to generate the tree
TreeInfo <- tribble(~Animal, ~pathString, ~BW, ~Current, ~Sex,
"CLQG-04-7","CLQG-04-7", 148,"No", "F",
"JTGD-08-106","CLQG-04-7/JTGD-08-106", 166,"Yes","F",
"JTGD-10-73", "CLQG-04-7/JTGD-10-73", 147,"No", "F",
"DLCQ-13-150","CLQG-04-7/JTGD-10-73/DLCQ-13-150", 211,"Yes","F",
"DLCQ-13-150","CLQG-04-7/JTGD-10-73/DLCQ-13-150", 211,"Yes","F",
"DLCQ-14-48", "CLQG-04-7/JTGD-10-73/DLCQ-14-48", 167,"No", "F",
"DLCQ-14-48", "CLQG-04-7/JTGD-10-73/DLCQ-14-48", 167,"No", "F",
"DLCQ-15-168","CLQG-04-7/JTGD-08-106/DLCQ-15-168", 134,"Yes","F",
"DLCQ-15-168","CLQG-04-7/JTGD-08-106/DLCQ-15-168", 134,"Yes","F",
"DLCQ-15-153","CLQG-04-7/JTGD-10-73/DLCQ-15-153", 148,"Yes","F",
"DLCQ-15-153","CLQG-04-7/JTGD-10-73/DLCQ-15-153", 148,"Yes","F",
"DLCQ-17-117","CLQG-04-7/JTGD-10-73/DLCQ-14-48/DLCQ-17-117", 216,"No", "F",
"DLCQ-17-94", "CLQG-04-7/JTGD-10-73/DLCQ-13-150/DLCQ-17-94", 215,"No", "F",
"DLCQ-18-126","CLQG-04-7/JTGD-10-73/DLCQ-15-153/DLCQ-18-126", 194,"Yes","F",
"DLCQ-18-126","CLQG-04-7/JTGD-10-73/DLCQ-15-153/DLCQ-18-126", 194,"Yes","F",
"DLCQ-19-170","CLQG-04-7/JTGD-08-106/DLCQ-19-170", 213,"Yes","F",
"DLCQ-19-170","CLQG-04-7/JTGD-08-106/DLCQ-19-170", 213,"Yes","F",
"DLCQ-19-62", "CLQG-04-7/JTGD-10-73/DLCQ-13-150/DLCQ-17-94/DLCQ-19-62",246,"Yes","F")
TreeInfo2 <- as.Node(TreeInfo)
#Formatting the tree
GetNodeShape <- function(TreeInfo2) {switch(TreeInfo2$Sex, `F` = "box", `M` = "oval")}
GetNodeLabel <- function(TreeInfo2) {switch(TreeInfo2$Current, No = paste0("*",TreeInfo2$Animal,"\n BW " ,TreeInfo2$BW), Yes = paste0(TreeInfo2$Animal,"\n BW ",TreeInfo2$BW) )}
TreeInfo2$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2, fontname = 'helvetica', label = GetNodeLabel, shape = GetNodeShape, fontcolor = "brown4", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2$BW) == FALSE && TreeInfo2$BW >= 200)
TreeInfo2$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2, fontname = 'helvetica', label = GetNodeLabel, shape = GetNodeShape, fontcolor = "blue", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2$BW) == FALSE && TreeInfo2$BW < 200)
TreeInfo2$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2, fontname = 'helvetica', label = TreeInfo2$Animal, shape = GetNodeShape, fontcolor = "blue", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2$BW) == TRUE)
SetGraphStyle(TreeInfo2, rankdir = "LR")
plot(TreeInfo2)
在闪亮的应用程序 TreeInfo 和 TreeInfo2 是反应性的(由从下拉列表中选择的动物确定,大约 3000 只动物)所以我知道我需要将它们更改为 TreeInfo2()。但是,它不会让我在代码的函数部分输入这个,即 function(TreeInfo2()) 给出一个错误,说它期望 RPAREN。除此之外,我已经尝试了下面代码的许多不同组合,但我不确定在哪里,但这些reactive({})
位 - 我只知道它需要它们,否则它不会运行。
TreeInfo2 <- reactive({as.Node(TreeInfo())})
reactive({GetNodeShape <- function(TreeInfo2) {switch(TreeInfo2()$Sex, `F` = "box", `M` = "oval")}})
reactive({GetNodeLabel <- function(TreeInfo2) {switch(TreeInfo2()$Current, No = paste0("*",TreeInfo2()$Animal,"\n BW " ,TreeInfo2()$BW), Yes = paste0(TreeInfo2()$Animal,"\n BW ",TreeInfo2()$BW) )}})
reactive({TreeInfo2()$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2(), fontname = 'helvetica', label = GetNodeLabel, shape = GetNodeShape, fontcolor = "brown4", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2()$BW) == FALSE && TreeInfo2()$BW >= 200)})
reactive({TreeInfo2()$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2(), fontname = 'helvetica', label = GetNodeLabel, shape = GetNodeShape, fontcolor = "blue", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2()$BW) == FALSE && TreeInfo2()$BW < 200)})
reactive({TreeInfo2()$Do(function(TreeInfo2) SetNodeStyle(TreeInfo2(), fontname = 'helvetica', label = TreeInfo2()$Animal, shape = GetNodeShape, fontcolor = "blue", inherit = FALSE),
filterFun = function(TreeInfo2) is.null(TreeInfo2()$BW) == TRUE)})
reactive({SetGraphStyle(TreeInfo2(), rankdir = "LR")})
即使将它简化SetGraphStyle
到从垂直变为水平的最后一步似乎也没有效果,这让我想知道我是否把这个块放在了正确的位置,也许“样式”代码应该放在其他地方,例如在 Shiny 服务器的输出部分,目前是这样的:
output$Tree <- renderGrViz({grViz(DiagrammeR::generate_dot(ToDiagrammeRGraph(TreeInfo2())))})}
任何帮助将不胜感激。谢谢!