indicate source of sim1 dataset (#546)

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Ben Marwick 2017-05-03 19:43:54 +07:00 committed by Hadley Wickham
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@ -54,7 +54,7 @@ options(na.action = na.warn)
## A simple model
Lets take a look at the simulated dataset `sim1`. It contains two continuous variables, `x` and `y`. Let's plot them to see how they're related:
Lets take a look at the simulated dataset `sim1`, included with the modelr package. It contains two continuous variables, `x` and `y`. Let's plot them to see how they're related:
```{r}
ggplot(sim1, aes(x, y)) +