Subset has No Examples for Vector Data

?s 11:00 de 10/10/2023, Dario Strbenac via R-devel escreveu:

Hello,

Could the documentation page for subset gain an example of how to use it for something other than a data frame or matrix? I arrived at

random <- LETTERS[rpois(100, 10)]
subset(table(random), x > 10)

named integer(0)

I expected a part of the table to be returned rather than an empty vector.

--------------------------------------
Dario Strbenac
University of Sydney
Camperdown NSW 2050
Australia

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Hello,

If you want to subset then you must refer to a variable in the original 
data set. In your example there is no 'x' in the output of table.


set.seed(2023)
random <- LETTERS[rpois(100, 10)]
(tbl <- table(random))
#> random
#>  C  D  E  F  G  H  I  J  K  L  M  N  P  Q  S
#>  1  2  4  4  8 13 14 10 17  9 11  2  1  3  1

subset(tbl, tbl > 10)
#> random
#>  H  I  K  M
#> 13 14 17 11


So it is subsetting vector data as wanted.
It is your expectation that a part of the table should be returned that 
is not in agreement with the data you have.

Hope this helps,

Rui Barradas

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