Minor typos in Lesson 4

[khangquangtran]

Typo 1, near the Recap section of Lesson 4:

Note that n81100 now is a 21-element vector. Its first element is now element 81 of Nile: > n81100[1] [1] 744 > Nile[81] [1] 744

After checking with length(Nile[81:100]) and length(n81100) (both equal to 20), I think "n81100 now is a 21-element vector" has a typo. Shouldn't it be: n81100 now is a 20-element vector?

Typo 2, below the Recap section of Lesson 4:

Not bad for Lesson 1! And needless to say, you'll be using all of these frequently in the subsequent lessons and in your own usage of R.

It is the end of Lesson 4 at this point and 2 lessons are mentioned in the Recap, so "Not bad for Lesson 1!" does not seem fit here.

[matloff]

Thanks very much! Will take a look, and fix.

Norm

On Mon, Aug 29, 2022 at 10:40:15PM -0700, Khang Tran wrote:

Typo 1 , near the Recap section of Lesson 4:

 Note that n81100 now is a 21-element vector. Its first element is
 now element 81 of Nile:
 > n81100[1]
 [1] 744
 > Nile[81]
 [1] 744

After checking with length(Nile[81:100]) and length(n81100) (both equal to 20), I think "n81100 now is a 21-element vector" has a typo. Shouldn't it be: n81100 now is a 20-element vector?

Typo 2, below the Recap section of Lesson 4:

 Not bad for Lesson 1! And needless to say, you'll be using all of
 these frequently in the subsequent lessons and in your own usage of
 R.

It is the end of Lesson 4 at this point and 2 lessons are mentioned in the Recap, so "Not bad for Lesson 1!" does not seem fit here.

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References

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