some writing needs work in 2.4.3

[trevorcampbell]

Let’s compare the data frame here to the resulting data frame in Section 2.4.1
after using read_csv . Notice anything? They look the same! The same number
of columns/rows and column names! So we needed to use different tools for
the job depending on the file format and our resulting table ( canlang_data ) in
both cases was the same!

Bit too many exclamation points in a row, and sentence fragments

[trevorcampbell]

right after in 2.4.4

It is best to rename your columns to help differentiate between them (e.g., X1,
X2 , etc., are not very descriptive names and will make it more confusing as
you code)

misuse of e.g.

[trevorcampbell]

2.4.3 - 2.4.6 all need some polish generally