Weave.jl/test/documents/plotsjl_test_gr.jmd

```julia
using Plots
gr()
x = range(0, stop=2π, length=50)
println(x)
p = plot(x, sin.(x), size =(900,300))
p
```


```julia
plot(x, sin.(x))
```

```julia
plot(rand(100) / 3,reg=true,fill=(0,:green))
scatter!(rand(100),markersize=6,c=:orange)
```


```{julia;echo=false; fig_cap="A random walk."; label="random"}
plot(cumsum(randn(1000, 1), dims=1))
```