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This is an R Markdown document. Markdown is a simple formatting syntax for authoring web pages (click the **MD** toolbar button for help on Markdown).

When you click the **Knit HTML** button a web page will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

```{r test-a, fig.show='hold', fig.width=5}
plot(1:10)
plot(rnorm(10))
```

```{r test-b, fig.show='hold', out.width='50%'}
plot(1:10)
plot(rnorm(10))
```

