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Update model-many.Rmd (missing word) (#674)

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Mark Beveridge 2018-06-20 10:12:42 +01:00 committed by Hadley Wickham
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@ -266,7 +266,7 @@ We see two main effects here: the tragedies of the HIV/AIDS epidemic and the Rwa
1. To create the last plot (showing the data for the countries with the 1. To create the last plot (showing the data for the countries with the
worst model fits), we needed two steps: we created a data frame with worst model fits), we needed two steps: we created a data frame with
one row per country and then semi-joined it to the original dataset. one row per country and then semi-joined it to the original dataset.
It's possible avoid this join if we use `unnest()` instead of It's possible to avoid this join if we use `unnest()` instead of
`unnest(.drop = TRUE)`. How? `unnest(.drop = TRUE)`. How?
## List-columns ## List-columns