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docs/sessions/20210624_functions_in_r.html

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 Get a more [formal framework](https://www.stat.berkeley.edu/~statcur/Workshop2/Presentations/functions.pdf), go [in depth](http://adv-r.had.co.nz/Functions.html#function-arguments), do a check [under the hood](https://swcarpentry.github.io/r-novice-inflammation/14-supp-call-stack/) or learn more about [programming with `dplyr`](https://dplyr.tidyverse.org/articles/programming.html).
 
-.center[![:scale 90%]({{ site.baseurl}}/assets/images/20210624/20210624_more_info_functions.png)
+.center[![:scale 80%]({{ site.baseurl}}/assets/images/20210624/20210624_more_info_functions.png)
 ]
 
 Solutions: [20210624_challenges_solutions.R](https://github.com/inbo/coding-club/blob/master/src/20210624/20210624_challenges_solutions.R) and [20210624_functions_solutions.R](https://github.com/inbo/coding-club/blob/master/src/20210624/20210624_functions_solutions.R)
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 More challenges? Check the [coding club session](https://inbo.github.io/coding-club/sessions/20190924_make_your_code_functional_use_functions.html) of 24-09-2019. Have fun!
 
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