Setting area in RMarkdown-CodePudding

I am trying to make dashboard with flexidasboard in RMarkdown. I try to adapt this code below

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```{r global1, include=FALSE}
# load data in 'global' chunk so it can be shared by all users of the dashboard
  library(biclust)
  data(BicatYeast)
  set.seed(1)
 res <- biclust(BicatYeast, method=BCPlaid(), verbose=FALSE)
```

Inputs {.sidebar}
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```{r}
 selectInput("clusterNum", label = h3("Cluster number"), 
    choices = list(" I01" = 1, 
                   " I02" = 2, 
                   " I03" = 3, 
                   "4" = 4, "5" = 5), 
    selected = 1)
```

Microarray data matrix for 80 experiments with Saccharomyces Cerevisiae
organism extracted from R's `biclust` package.

Sebastian Kaiser, Rodrigo Santamaria, Tatsiana Khamiakova, Martin Sill, Roberto
  Theron, Luis Quintales, Friedrich Leisch and Ewoud De Troyer. (2015). biclust:
  BiCluster Algorithms. R package version 1.2.0.
  http://CRAN.R-project.org/package=biclust

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### Heatmap
    
```{r}

num <- reactive(as.integer(input$clusterNum))

col = colorRampPalette(c("red", "white", "darkblue"), space="Lab")(10)
renderPlot({
    p = par(mai=c(0,0,0,0))
    heatmapBC(BicatYeast, res, number=num(), xlab="", ylab="",
      order=TRUE, useRaster=TRUE, col=col)
    par(p)
})
```


Row {.tabset}
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### Parallel Coordinates
    
```{r}
renderPlot(
  parallelCoordinates(BicatYeast, res, number=num())
)
```
   
### Data for Selected Cluster

```{r}
# only display table for values in cluster 4
renderTable(
  BicatYeast[which(res@RowxNumber[, num()]), which(res@NumberxCol[num(), ])]
)
```

And input from this code look like pic below. I am not satisfied with the look especially because I like to use grey area which is marked with yellow circle or in other word I like to increase Heatmap and use this part.

So can anybody help me how I can use this grey area?

CodePudding user response：

Just remove the first:

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under the Page2 title. This adds an empty line before the .sidebar column.