Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rui Barradas
Hello, You're right, I carelessly coded this. which.max returns the index to the first maximum of a vector, while the comparison of a vector with its max() returns an index to all vector elements. Às 23:27 de 03/12/21, Bert Gunter escreveu: Perhaps you meant to point this out, but the

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
On Fri, 3 Dec 2021, Rich Shepard wrote: they apparently do. For example, 99.9000 cubic feet per second is reached 99,900 Rich __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
On Fri, 3 Dec 2021, Bert Gunter wrote: Perhaps you meant to point this out, but the cfs[which.max(cfs)] and cfs == ... are not the same: x <- rep(1:2,3) x [1] 1 2 1 2 1 2 x[which.max(x)] [1] 2 x[x==max(x)] [1] 2 2 2 So maybe your point is: which does the OP want (in case there are

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Bert Gunter
Perhaps you meant to point this out, but the cfs[which.max(cfs)] and cfs == ... are not the same: > x <- rep(1:2,3) > x [1] 1 2 1 2 1 2 > x[which.max(x)] [1] 2 > x[x==max(x)] [1] 2 2 2 So maybe your point is: which does the OP want (in case there are repeated maxes)? I suspect the == forms, but

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
On Fri, 3 Dec 2021, Rui Barradas wrote: which.max(pdx_disc$cfs) [1] 8054 This is the *index* for which cfs is the first maximum, not the maximum value itself. Rui, Mea culpa! I completely forgot this. Therefore, you probably want any of filter(pdx_disc, cfs == cfs[8054])

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rui Barradas
Hello, Inline. Às 22:08 de 03/12/21, Rich Shepard escreveu: On Fri, 3 Dec 2021, Rich Shepard wrote: I find solutions when the data_frame is grouped, but none when it's not. Thanks, Bert. ?which.max confirmed that's all I need to find the maximum value. Now I need to read more than ?filter

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
On Fri, 3 Dec 2021, Rich Shepard wrote: I find solutions when the data_frame is grouped, but none when it's not. Thanks, Bert. ?which.max confirmed that's all I need to find the maximum value. Now I need to read more than ?filter to learn why I'm not getting the relevant row with:

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
On Fri, 3 Dec 2021, Jeff Newmiller wrote: cfs is not a function. Don't put parentheses next to it. Use square brackets for indexing. Jeff, Thanks. Rich __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Jeff Newmiller
cfs is not a function. Don't put parentheses next to it. Use square brackets for indexing. On December 3, 2021 12:55:34 PM PST, Rich Shepard wrote: >I find solutions when the data_frame is grouped, but none when it's not. > >The data: ># A tibble: 813,693 × 9 >site_nbr year mon day

Re: [R] Find tibble row with maximum recorded value

2021-12-03 Thread Bert Gunter
which.max(dat$cfs), I presume. see ?which.max (as usual, true tidyverse questions belong on RStudio's help site, not here). Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic

[R] Find tibble row with maximum recorded value

2021-12-03 Thread Rich Shepard
I find solutions when the data_frame is grouped, but none when it's not. The data: # A tibble: 813,693 × 9 site_nbr year mon dayhr min tz cfs sampdt 1 14211720 198810 1 010 PDT 16800 1988-10-01 00:10:00 2 14211720 198810 1 0

Re: [R] Problem with lm Giving Wrong Results

2021-12-03 Thread Labone, Thomas
Two of the machines having the problem are AVX-512 capable (e.g., i7-7820X) but another one is an old Samsung Series 5 with an i5-3317U. I guess I will start with the folks at Linux Mint. Tom Thomas R. LaBone PhD student Department of Epidemiology and Biostatistics Arnold School of Public

Re: [R] Question about Rfast colMins and colMaxs

2021-12-03 Thread Stephen H. Dawson, DSL via R-help
Thanks, Richard. I am researching other library options for data inspection. I have many csv files I am reviewing with different column names and data types. Flexibility of a quick review of max and min is quite valuable at this juncture. I will implement your code recommendation next week

Re: [R] Problem with lm Giving Wrong Results

2021-12-03 Thread Sarah Goslee
It might also be a BLAS+processor problem - I got bit pretty hard by that, with an example here: https://stat.ethz.ch/pipermail/r-help/2019-July/463477.html With a key excerpt here: On Thu, Jul 18, 2019 at 1:59 PM Ivan Krylov wrote: > Yes, this might be bad. I have heard about OpenBLAS

Re: [R] Problem with lm Giving Wrong Results

2021-12-03 Thread Labone, Thomas
Thanks for the feedback everyone. If you go to https://github.com/csantill/RPerformanceWBLAS/blob/master/RPerformanceBLAS.md you will find the Linux commands to change the default math library. When I switch the BLAS library from MKL to the system default (see sessionInfo below), everything

Re: [R] SOMAscan data analysis

2021-12-03 Thread Eric Berger
Hi Kai, Check out https://www.bioconductor.org or the help there at https://www.bioconductor.org/help/ You can also post your question there. Best, Eric On Fri, Dec 3, 2021 at 2:22 AM Kai Yang via R-help wrote: > Hello R team,we have a huge SOMAscan data set. This is an aptamer-based >