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...[[alternative HTML version deleted]] > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...in Ops.difftime((f - mean(f)), 2) : ## '^' not defined for "difftime" objects A number of other lm methods also fail, e.g. plot(fit), but others work, e.g. coef(fit), resid(fit) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...### ## Warning message: ## In data.frame(stack(a2[ix]), a2[-ix]) : ## row names were found from a short variable and have been discarded # results are identical identical(res1, res2) ## [1] TRUE -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...[[alternative HTML version deleted]] > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...h fail. aa <- array(dim = 5:3) nrow(aa) ## [1] 5 row(aa) ## Error in row(aa) : a matrix-like object is required as argument to 'row' # this does work: slice.index(aa, 1) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...tps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...eepayan.sarkar at gmail.com> wrote: > > They differ in whether the row names are "automatic": > > > .row_names_info(a1) > [1] -3 > > .row_names_info(a2) > [1] 3 > > Best, > -Deepayan > > On Tue, 14 Nov 2023 at 08:23, Gabor Grothendieck > <ggrothendieck at gmail.com> wrote: > > > > What is going on here? In the lines ending in #### the inputs and outputs > > are identical yet one gives a warning and the other does not. > > > > a1 <- `rownames<-`(anscombe[1:3, ], NULL) > > a2 <- anscombe[1:3, ]...

...ps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide https://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...s which is shorter, more understandable and avoids the need for zero2na: # if nomatch= were implemented seek |> transform(result = y[ findInterval(x, nomatch = NA) ] ) |> _$result -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...ple columns in data frame it uses x.y and x.z as names transform(BOD, data.frame(y = 1:6, z = 6:1)) |> names() ## [1] "Time" "demand" "x.y" "x.z" -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

Also note that the functionality discussed could be regarded as a generalization of matrix multiplication where * and + are general functions and in this case we have * replaced by == and + replaced by &. On Fri, Oct 11, 2019 at 10:46 AM Gabor Grothendieck <ggrothendieck at gmail.com> wrote: > > Using the example in the link here are two one-liners: > > A <- c(2,3,4,1,2,3,4,1,1,2) > x <- c(1,2) > > # 1 - zoo > library(zoo) > which( rollapply(A, length(x), identical, x, fill = FALSE, align = "left") ) >...

...tps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...; >>>> format.ftable(ftab, justify = c("none", "none")) > >>>> > >>>> Best regards, > >>>> > >>>> Thomas -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...Any thoughts? > Pavel > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

Also why should that difference result in different behavior? On Tue, Nov 14, 2023 at 9:38?AM Gabor Grothendieck <ggrothendieck at gmail.com> wrote: > > In that case identical should be FALSE but it is TRUE > > identical(a1, a2) > ## [1] TRUE > > > On Tue, Nov 14, 2023 at 8:58?AM Deepayan Sarkar > <deepayan.sarkar at gmail.com> wrote: > > > > They differ in whether the ro...

...Phone: (206) 667-5791 > Fax: (206) 667-1319 > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...tps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...tps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...at.ethz.ch/mailman/listinfo/r-devel > > > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com

...n, the difference in behavior appears to be intentional and expected. > > Regards, > > Marc Schwartz > > > ?-----Original Message----- > From: R-devel <r-devel-bounces at r-project.org <mailto:r-devel-bounces at r-project.org>> on behalf of Gabor Grothendieck <ggrothendieck at gmail.com <mailto:ggrothendieck at gmail.com>> > Date: Sunday, September 8, 2024 at 7:31 AM > To: "r-devel at r-project.org <mailto:r-devel at r-project.org>" <r-devel at r-project.org <mailto:r-devel at r-project.org>> > Subject: [Rd] Inconsiste...