From @g|@nner|n| @end|ng |rom gm@||@com  Sat Sep 23 19:43:35 2023
From: @g|@nner|n| @end|ng |rom gm@||@com (Simone Giannerini)
Date: Sat, 23 Sep 2023 19:43:35 +0200
Subject: [Rd] NROW and NCOL on NULL
Message-ID: <CANcXGizv3sD3kiE__EUkuaESn44mvtQMrtpO_k=FjUwFQDGnVQ@mail.gmail.com>

Dear list,

I do not know what would be the 'correct' answer to the following but
I think that they should return the same value to avoid potential
problems and hard to debug errors.

Regards,

Simone
---------------------------------------

> NCOL(NULL)
[1] 1

> NROW(NULL)
[1] 0

> sessionInfo()
R version 4.3.1 RC (2023-06-08 r84523 ucrt)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 11 x64 (build 22621)

Matrix products: default


locale:
[1] LC_COLLATE=Italian_Italy.utf8  LC_CTYPE=Italian_Italy.utf8
[3] LC_MONETARY=Italian_Italy.utf8 LC_NUMERIC=C
[5] LC_TIME=Italian_Italy.utf8

time zone: Europe/Rome
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_4.3.1

-- 
___________________________________________________

Simone Giannerini
Dipartimento di Scienze Statistiche "Paolo Fortunati"
Universita' di Bologna
Via delle belle arti 41 - 40126  Bologna,  ITALY
Tel: +39 051 2098262  Fax: +39 051 232153
https://simonegiannerini.net/



[Rd] NROW and NCOL on NULL
Simone Giannerini