Thanks a lot, it is much clear to me now, but i still have a
question:The raw question is from:Hadley wickham's book advanced r
programming, Chapter Meta programming, section expressions, in the part
"Creating a call from its components"He said:To create a new call
from its components, you ca
On 24/07/2014, 2:41 AM, super wrote:
> The question is as below:
> Exercises
> 1.The following two calls look the same, but are actually different:
> (a <- call("mean", 1:10))
> #> mean(1:10)
This one creates a call where the first argument is a vector containing
10 elements.
> (b <- call("mean
Please read the Posting Guide. There is a no HTML policy and a no homework
policy.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
The question is as below:
Exercises
1.The following two calls look the same, but are actually different:
(a <- call("mean", 1:10))
#> mean(1:10)
(b <- call("mean", quote(1:10)))
#> mean(1:10)
identical(a, b)
#> [1] FALSE
What¡¯s the difference? Which one should you prefer?
So, how i can figure ou
The question is as below:
Exercises
1.The following two calls look the same, but are actually different:
(a <- call("mean", 1:10))
#> mean(1:10)
(b <- call("mean", quote(1:10)))
#> mean(1:10)
identical(a, b)
#> [1] FALSE
What¡¯s the difference? Which one should you prefer?
So, how i can figure ou
5 matches
Mail list logo
