M. Siwik M. Siwik - 1 year ago 109
R Question

Cannot disable R markdown output from gridExtra (additional comment)

In my r markdown report i use 2 chunks.


```{r, include = FALSE, echo=FALSE, results='asis'}```

Where i load all packages and do computation.

And second

{r, fig.margin = TRUE, fig.width=10,
fig.height=4.5, echo=FALSE, results='asis',
message=FALSE, warning = FALSE}

Where i have for loop where I filter data I producent in first chunk, and make ggplots for each i.

My problem is that, when i produce 2 plots in second chunk i combine them in one grid by grid.arrange, but there is additional comment I don't want to show.

TableGrob (2 x 2) "arrange": 2 grobs
z cells name grob
1 1 (1-2,1-1) arrange gtable[layout]
2 2 (1-2,2-2) arrange gtable[layout]

title: "Test"
author: "Maybe It's You"
date: "2016.09.01"
output: pdf_document

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)

lay <- rbind(c(1,2),
gs <- list()


```{r cars}

## Including Plots

You can also embed plots, for example:

```{r pressure, echo=FALSE, results='asis', message=FALSE, warning = FALSE}
p1 <- qplot(1:10)
p2 <- qplot(1:10)
gs[[1]] <- p1
gs[[2]] <- p2

wykres <- grid.arrange(grobs = gs, layout_matrix = lay)


Fragment of result with gridExtra comment (TablGrob...)

Pic of pdf.output

Answer Source

don't print(), grid.arrange() draws by itself. If you want to store the result and then draw it, use arrangeGrob()+grid.draw()

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