Alber Sánchez

Hi, I think this is a good idea, this would ensure that each episode runs independently of any other and could help self-paced lerners. Anyway the whole lesson isn't using...

Hi! In my opinion, `Exercise` sounds mandatory while `Challenge` sounds more like an optional task. I don't think this distinction is necessary because of open approachs encouraged by the carpentries...

```plyr``` is now a [retired package](https://github.com/hadley/plyr#status-). The recommended replacement package is ```purrr``` now. Hadley Wickham's book "R for data science" has a section on ```purrr's map``` [functions](https://r4ds.had.co.nz/iteration.html#the-map-functions), which, I believe,...

Hi, this challenge (script `episodes/04-data-structures-part2.Rmd`, line 340) first presents an example about how to create a data frame and then asks the readers to create a new one. I guess...

Hi! - I think using `earlier` and `later` is OK in the introduction and closing of each episode. However, I also think any other reference should be specific, in particular...

I disagree with this suggestion because the objects returned by each operation are different: ``` > class(gapminder[3]) == class(gapminder[ ,3]) [1] FALSE > > mode(gapminder[3]) == mode(gapminder[ ,3]) [1] FALSE...

Good evening, The changes made so far addressed @srappel's issues 2 & 3. Regarding issue 1, Transition from PROJ and proj4strings , I took a look at the lesson's data...

Hi @tobyhodges, I'm following your suggestion and I opened #426. Can you please re-post your comment there? Thanks,

Good afternoon, I like and use this package to assert data conditions while daisy-chaining functions using magrittr; thanks for developing it! But now CRAN says it was removed from its...

I am ready for write access :rocket: