On 14/12/2023 11:37 a.m., Martin Morgan wrote:
In the spirit of 'advent of code', maybe it is better to exploit the features
of the particular language you've chosen? Then the use of factors seems very
relevant.
value_levels <- c("Small", "Medium", "Large")
df <- data.frame(
person = c("A
In the spirit of 'advent of code', maybe it is better to exploit the features
of the particular language you've chosen? Then the use of factors seems very
relevant.
value_levels <- c("Small", "Medium", "Large")
df <- data.frame(
person = c("Alice", "Bob", "Bob", "Charlie"),
value = facto
Hi,
I suggest that reply-to is changed to r-help@r-project.org and not
the original sender.
The reason for my suggestion:
I just made a mistake when replying to a message.
I forgot to change the reply address from the sender to the r-help
and I think that happens quite often for others al
On Thu, 14 Dec 2023 at 12:02, Duncan Murdoch wrote:
>
> class(df$value) <- "sizeclass"
>
> `>.sizeclass` <- function(left, right) custom_sort(unclass(left),
> unclass(right)) == 1
>
> `==.sizeclass` <- function(left, right) custom_sort(unclass(left),
> unclass(right)) == 0
>
> `[.sizeclass` <- fu
> This sounds suspiciously like homework (which is off-topic... see the Posting
> Guide)
It is not homework.
Currently I am trying to solve this: https://adventofcode.com/2023/day/7
But it is something that has puzzled me for a long time.
In many programming languages, you can give a "less" func
On 14/12/2023 3:00 a.m., Martin Møller Skarbiniks Pedersen wrote:
Hi,
I need to sort a data.frame based on a custom sorting function.
It is easy in many languages but I can't find a way to do it in R.
In many cases I could just use an ordered factor but my data.frame
contains poker han
This sounds suspiciously like homework (which is off-topic... see the Posting
Guide), and you haven't indicated how you plan to encode your poker hands, and
most core features of other languages are possible in R so if you really
understand these other techniques and R then you should be able to
Hi,
I need to sort a data.frame based on a custom sorting function.
It is easy in many languages but I can't find a way to do it in R.
In many cases I could just use an ordered factor but my data.frame
contains poker hands and
I need to rank these hands. I already got a function that compar
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