David Kahle

Tighten `chatty()` example

2

I may be missing a deeper point here, but it seems simpler for `chatty()` to use `message()` instead of `cat()` and call it before the processing begins?

Update stringsAsFactors comments for R >= 4.0.0

1

The vectors chapter [has a paragraph](https://github.com/hadley/adv-r/blob/master/Vectors.Rmd#L449-L451) that references the `stringsAsFactors = TRUE` default behavior of `read.csv()` and `data.frame()`. Since R changed the default setting of `getOption("stringsAsFactors")` to `FALSE`, that should...

Create RStudio addin for %<-%

2

Simple adding for `%

Excise tile getters?

1

@hadley suggested putting the tile retrieval functions in their own package; he even started one a few years back: __[rastermap](https://github.com/hadley/rastermap)__. What do we see to be the advantages of that?...

`rvnorm()` along with endgames provides points on the variety (or semi-algebraic set).

`rvnorm()` should allow the `w` argument to be a named list of (min, max) pairs. In particular, this will allow us to force one variable to be non-negative.