How can I create an isolated table in a child Rmd using flexdashboard?

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You can create an isolated table in a child Rmd using flexdashboard by setting the params attribute and creating a reactive expression that filters the data based on the selected parameters. Here's an example code:

1. Set the params attribute in the YAML header of your child Rmd file:

   ```

title: "Child Rmd" params: param1: label: "Parameter 1" value: "value1"

```

1. Add a table to your child Rmd file, and specify the data attribute as a reactive expression that filters the data based on the selected parameters:

   ```{r mytable}
   # assume `df` is a data.frame with columns `col1` and `col2`
   
   filtered_df <- reactive({
    subset(df, col1 == params$param1)
   })
   
   kable(filtered_df())
   

   ```

   This creates a reactive expression filtered_df that returns a subset of the original data frame df based on the selected value of param1.

2. Knit the flexdashboard containing this child Rmd file. You should see a table that updates based on the selected parameter.