search for: tebert

Displaying 20 results from an estimated 47 matches for "tebert".

Did you mean: ebert
2024 Feb 28
1
Trouble reading a UTF-16LE file
...;2\t354,52\t24" [5] "8\t390,75\t1838" "2\t395,11\t-1053"> > Thanks Jim Holtman *Data Munger Guru* *What is the problem that you are trying to solve?Tell me what you want to do, not how you want to do it.* On Wed, Feb 28, 2024 at 9:23?AM Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > The earlier post had an attached text file that did not go through. > I hope this link works. I tested it with a coworker, but that is no > guarantee. > > > https://uflorida-my.sharepoint.com/:u:/g/personal/tebert_ufl_edu/EXf5u_CtTwJCrhdfTBIPr7wBefZHx4P_su...
2024 Dec 31
1
Citation for stock price data from Quantmod
...ons depend on your final goal and how others may use your results. The expectations of your peers and professionalism should guide your choices. -----Original Message----- From: Jeff Newmiller <jdnewmil at dcn.davis.ca.us> Sent: Monday, December 30, 2024 11:23 PM To: Ebert,Timothy Aaron <tebert at ufl.edu>; r-help at r-project.org; Erin Hodgess <erinm.hodgess at gmail.com> Subject: RE: [R] Citation for stock price data from Quantmod [External Email] The _point_ is to explain the story of the research so people can compare easily with other work. A story interrupted by tedious d...
2024 Dec 31
2
Citation for stock price data from Quantmod
...of the research so people can compare easily with other work. A story interrupted by tedious details is not very comprehensible. And I _did_ recommend providing a link to a code repository and using reproducible coding tools. On December 30, 2024 7:35:37 PM PST, "Ebert,Timothy Aaron" <tebert at ufl.edu> wrote: >Maybe I misunderstand, but if the results cannot be reproduced, what is the point? I did some secret stuff (after talking to my friend the witch doctor) and here are my results. Some analyses preclude exact reproduction, but then researchers should rerun the analysis sever...
2024 Dec 31
1
Citation for stock price data from Quantmod
...n, but then researchers should rerun the analysis several times to provide a range or field of possible/probable results. -----Original Message----- From: Jeff Newmiller <jdnewmil at dcn.davis.ca.us> Sent: Monday, December 30, 2024 7:52 PM To: r-help at r-project.org; Ebert,Timothy Aaron <tebert at ufl.edu>; Erin Hodgess <erinm.hodgess at gmail.com>; r-help at r-project.org Subject: Re: [R] Citation for stock price data from Quantmod [External Email] While asking if you should document what you did and give credit where due seems... unnecessary (of course you should) ... I belie...
2024 Dec 13
3
[off-topic] crossword
...de' (a poem that is written like it is said or something) is written in between C and R giving C ODE R, ... Very happy to be corrected... (Oh and as a third part a coder writes in C or R... I hope the JavaScript kids are listening ;-) ) On Fri, 13 Dec 2024, 04:26 Ebert,Timothy Aaron, <tebert at ufl.edu> wrote: > I do not understand the question and I do not understand the answer. > Possibly one confounds the other. > > -----Original Message----- > From: R-help <r-help-bounces at r-project.org> On Behalf Of Erin Hodgess > Sent: Thursday, December 12, 2024 11:...
2024 Feb 28
2
Trouble reading a UTF-16LE file
Dear R-help, I am having trouble reading a UTF-16LE formatted file. The issue appears to be a byte order mark at the beginning of the file. I have tried readLines(file, encoding='utf-16LE') but got me [1]"\xff\xfe1" "" "" "" "" "" Regards, Tim
2024 Dec 31
1
Citation for stock price data from Quantmod
...ced with one data source, it may not deserve high regard in general, and documenting that you used a narrow slice of information as the foundation of your conclusions might be a sort of "YMMV" caution to the reader. On December 30, 2024 4:02:08 PM PST, "Ebert,Timothy Aaron" <tebert at ufl.edu> wrote: >Yes, you need to cite the source of data and the method for retrieval. You also need to cite programs used in manipulating the data, cleaning the data, and analyzing the data. I should be able to read what you wrote, and using those methods recover the data independently f...
2024 Dec 13
2
[off-topic] crossword
...r R, say". > > -Bill > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat/ > .ethz.ch%2Fmailman%2Flistinfo%2Fr-help&data=05%7C02%7Ctebert%40ufl.edu > %7C9366be18e5a944b55dba08dd1acde487%7C0d4da0f84a314d76ace60a62331e1b84 > %7C0%7C0%7C638696193817496836%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGki > OnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ > %3D%3D%7C0%7C%7C%7C&sdata=hhGilTFwNpgxXeDLO0HS7l4ofo...
2024 Dec 31
2
Citation for stock price data from Quantmod
Yes, you need to cite the source of data and the method for retrieval. You also need to cite programs used in manipulating the data, cleaning the data, and analyzing the data. I should be able to read what you wrote, and using those methods recover the data independently from you and finish all other steps in the analysis. I should not have to guess. Tim -----Original Message----- From: R-help
2024 Dec 13
2
[off-topic] crossword
...E R, > > > > ... > > > > > > Very happy to be corrected... > > > > > > (Oh and as a third part a coder writes in C or R... I hope the > > JavaScript kids are listening ;-) ) > > > > On Fri, 13 Dec 2024, 04:26 Ebert,Timothy Aaron, <tebert at ufl.edu> > > wrote: > > > > > I do not understand the question and I do not understand the answer. > > > Possibly one confounds the other. > > > > > > -----Original Message----- > > > From: R-help <r-help-bounces at r-project.org>...
2024 Apr 23
1
x[0]: Can '0' be made an allowed index in R?
Doesn't sound like you got the point. x[-1] normally removes the first element. With 0-based indices, this cannot work. - pd > On 22 Apr 2024, at 17:31 , Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > You could have negative indices. There are two ways to do this. > 1) provide a large offset. > Offset <- 30 > for (i in -29 to 120) { print(df[i+Offset])} > > > 2) use absolute values if all indices are negative. > for (i in -200 to -1) {pr...
2024 Jul 19
1
Extract
Thank you and sorry for the confusion. The desired result should have 8 variables as a comma separated in each line. The string variable is considered as one variable. The output of your script is wfine for me. Thank you! On Fri, Jul 19, 2024 at 1:00?PM Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > The desired result is odd. > 1) It looks like the string is duplicated in the desired result. The first line of data has "15, xc, Ab", and the desired result has "15, xc, Ab, 15, xc, Ab" > 2) The example has S1 through S5, but the desired r...
2025 May 08
1
Help merging large datasets in R
...ou renamed all the columns they see because it was inconvenient not to. If you have that luxury, fine... but R can absolutely avoid munging column names if you use the relevant import parameters for your preferred import function. On May 7, 2025 1:46:47 PM PDT, "Ebert,Timothy Aaron" <tebert at ufl.edu> wrote: >Some issues: >1) Variable names cannot have spaces. "merged 1" is not valid but "merged_1" is a valid alternative. >2) You need to tell R what to merge by. It looks like you may be using data tables rather than a data frame. >merged <- datas...
2024 Mar 02
1
Initializing vector and matrices
...es" in it. It's better to think of CONSTRUCTING vectors and matrices rather than INITIALISING them, because always being fully defined is important. It would be really really helpful to have a clearer idea of what you are trying to do. On Fri, 1 Mar 2024 at 03:31, Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > You could declare a matrix much larger than you intend to use. This works with a few megabytes of data. It is not very efficient, so scaling up may become a problem. > m22 <- matrix(NA, 1:600000, ncol=6) > > It does not work to add a new column to the mat...
2025 Mar 30
1
[External] Creating model formulas programmatically
...nd especially would appreciate anyone pointing out any fatal flaws or even modest infelicities in the above approach. Cheers, Bert "An educated person is one who can entertain new ideas, entertain others, and entertain herself." On Sat, Mar 29, 2025 at 6:32?PM Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > I am confused. Richard's answer that Bert did not like did not use parse > explicitly. Richard pasted together a string that a function like lm() will > have to parse to run the analysis. However, the answers so far do not use > parse(). In the reply to Rich...
2024 Apr 23
2
x[0]: Can '0' be made an allowed index in R?
...23 9:03 a.m., Peter Dalgaard via R-help wrote: > Caution: External email. > > > Doesn't sound like you got the point. x[-1] normally removes the first element. With 0-based indices, this cannot work. > > - pd > >> On 22 Apr 2024, at 17:31 , Ebert,Timothy Aaron <tebert at ufl.edu> wrote: >> >> You could have negative indices. There are two ways to do this. >> 1) provide a large offset. >> Offset <- 30 >> for (i in -29 to 120) { print(df[i+Offset])} >> >> >> 2) use absolute values if all indices are negative. &...
2023 Mar 23
1
How to test the difference between paired correlations?
Thank you, but this now sounds more difficult: what would be the point in having these ready-made functions if I have to do it manually? Anyway, How would I implement the last part? On Thu, Mar 23, 2023 at 1:23?AM Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > If you are open to other options: > The null hypothesis is that there is no difference. > If I have two equations y=x and y=z and there is no difference then it would not matter if an observation was from x or z. > Randomize the x and z observations. F...
2024 Feb 28
1
Trouble reading a UTF-16LE file
The earlier post had an attached text file that did not go through. I hope this link works. I tested it with a coworker, but that is no guarantee. https://uflorida-my.sharepoint.com/:u:/g/personal/tebert_ufl_edu/EXf5u_CtTwJCrhdfTBIPr7wBefZHx4P_suj4wAWb8i8HFA?e=iQawhh Regards, Tim
2024 Mar 02
1
Initializing vector and matrices
...o think of CONSTRUCTING vectors and matrices rather than > INITIALISING them, > because always being fully defined is important. > > It would be really really helpful to have a clearer idea of what you > are trying to do. > > On Fri, 1 Mar 2024 at 03:31, Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > > > You could declare a matrix much larger than you intend to use. This works with a few megabytes of data. It is not very efficient, so scaling up may become a problem. > > m22 <- matrix(NA, 1:600000, ncol=6) > > > > It does not work to ad...
2024 Dec 02
0
Identify first row of each ID within a data frame, create a variable first =1 for the first row and first=0 of all other rows
...eports and so on. It may not be how you think. -----Original Message----- From: Sorkin, John <jsorkin at som.umaryland.edu> Sent: Sunday, December 1, 2024 11:19 PM To: Bert Gunter <bgunter.4567 at gmail.com>; Rui Barradas <ruipbarradas at sapo.pt>; twoolman at ontargettek.com; tebert at ufl.edu; Bert Gunter <bgunter.4567 at gmail.com>; jdnewmil at dcn.davis.ca.us; avi.e.gross at gmail.com; therneau at mayo.edu; dwinsemius at comcast.net; tebert at ufl.edu; rmh at temple.edu; ken.knoblauch at inserm.fr; boris.steipe at utoronto.ca Cc: r-help at r-project.org (r-help at r-p...