Remove premature reference to tibbles

episodes/02-starting-with-data.Rmd

@@ -48,7 +48,7 @@
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
-## What are data frames and tibbles?
+## What are data frames?
 
 Data frames are the *de facto* data structure for tabular data in `R`, and what
 we use for data processing, statistics, and plotting.
@@ -105,7 +105,7 @@
 You are going to load the data in R's memory using the function `read_csv()`
 from the **`readr`** package, which is part of the **`tidyverse`**; learn
 more about the **`tidyverse`** collection of packages
 [here](https://www.tidyverse.org/).
 **`readr`** gets installed as part as the **`tidyverse`** installation.
 When you load  the **`tidyverse`** (`library(tidyverse)`), the core packages
 (the packages used in most data analyses) get loaded, including **`readr`**.
@@ -183,10 +183,10 @@
 similar to `read_csv()`, with a few notable differences. First, `read.csv()`
 coerces column names with spaces and/or special characters to different names
 (e.g. `interview date` becomes `interview.date`). Second, `read.csv()`
-stores data as a `data.frame`, where `read_csv()` stores data as a `tibble`.
+stores data as a `data.frame`, where `read_csv()` stores data as a different kind of data frame called a `tibble`.
 We prefer tibbles because they have nice printing properties among other
 desirable qualities. Read more about tibbles
 [here](https://tibble.tidyverse.org/).
 
 The second statement in the code above creates a data frame but doesn't output
 any data because, as you might recall, assignments (`<-`) don't display