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內Flexdashboard使用有光澤我想策劃和顯示一個數據幀,其中該數據幀是從我的側邊欄中輸入一個變量:閃亮與flexdashboard,數據幀可變
Inputs {.sidebar}
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```{r}
selectInput("df", label = h3("Select df"), choices = list("january" = "df1", "february" = "df2"))
```
然後我繪圖和顯示我的一個標籤集內的數據幀:
Row {.tabset}
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### Plot
```{r}
renderPlot({
plot(fread(paste("/Users/woshitom/Desktop/shiny/",input$df,".csv",sep="")),type="o", col="blue")
})
```
### Data
```{r}
renderTable(fread(paste("/Users/woshitom/Desktop/shiny/",input$df,".csv",sep="")))
```
正如你可以看到我加載2次我的CSV:
fread(paste("/Users/woshitom/Desktop/shiny/",input$df,".csv",sep=""))
相反,我想它存儲在一個變量:
my_df <- fread(paste("/Users/woshitom/Desktop/shiny/",input$df,".csv",sep=""))
但是,當我這樣做,我發現了以下錯誤:
Operation not allowed without an active reactive context. (You tried to do something that can only be done from inside a reactive expression or observer.)
任何想法如何,我應該儲存這些數據幀?
嘗試用'my_df < - 反應({的fread(糊( 「/用戶/ woshitom /桌面/光澤/」,輸入$ df,則 「CSV」,月= 「」) )})' –
謝謝!工作正常,請提交您的答案我要驗證它 – woshitom