使用R闪亮服务器和ggplot一起使用 [英] using R shiny server together with ggplot

问题描述

我正在使用ggplot绘制饼图，如下面的RStudio代码及其工作正常。

Am using ggplot to plot a pie chart as in the code below in RStudio and its working fine. the problem is when i want to use R shiny server.

indicatorTotals<-tapply(anc_data$Total,anc_data$Indicator,sum)
graphdatapie <- as.data.frame(indicatorTotals)
c <- ggplot(graphdatapie, aes(x=rownames(graphdatapie),y=indicatorTotals,fill = 
    indicatorTotals)) + geom_bar(width = 1,stat="identity")
print(c + coord_polar(theta = "y"))

数据为此格式

the data is this format

                       indicatorTotals
ANC 1st visit                   248777
ANC 2nd visit                   231914
ANC 3rd visit                   162062
ANC 4th or more visits           99528

<

I get the following error message from the R shiny server ui.R.

Error:object 'graphdatapie' not found. 

可能是什么问题？

What could be the problem???

推荐答案

将以下内容添加到ggplot函数中： environment = environment（） ，即

Add the following to the ggplot function: environment=environment() i.e

ggplot(graphdatapie, aes(x=rownames(graphdatapie),y=indicatorTotals,fill = 
             indicatorTotals), environment=environment()) 

然后重新启动shiny-server。这将解决问题。

Then restart the shiny-server. That will solve the problem.

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