Re: [R] Request to Unsubscribe from R Forum Replies

2025-04-07 Thread David Winsemius via R-help
You need to unsubscribe yourself using the instructions at the list info page. You should be getting month reminder emails that include your password. None of the volunteer mods are able to access that password. — David. Sent from my iPhone > On Apr 7, 2025, at 4:23 AM, Loop Vinyl wrote: >

Re: [R] Setting up hypothesis tests with the infer library?

2025-03-29 Thread David Winsemius via R-help
> On Mar 29, 2025, at 9:59 AM, Kevin Zembower via R-help > wrote: > > Hi, Rui and Michael, thank you both for replying. > > Yeah, I'm not supposed to know about Chi-squared yet. So far, all of > our work with hypothesis tests has involved creating the sample data, > then resampling it to cre

Re: [R] Test For Difference of Betas By Group in car

2025-01-19 Thread David Winsemius via R-help
Sent from my iPhone > On Jan 19, 2025, at 2:48 PM, David Winsemius wrote: > >  > Sent from my iPhone > >> On Jan 19, 2025, at 1:57 PM, David Winsemius wrote: >> >> I don’t understand why you don’t include the full text of the error. >> >> — >> David >> Sent from my iPhone >> On Jan

Re: [R] Test For Difference of Betas By Group in car

2025-01-18 Thread David Winsemius via R-help
Sent from my iPhone > On Jan 19, 2025, at 1:57 PM, David Winsemius wrote: > > I don’t understand why you don’t include the full text of the error. > > — > David > Sent from my iPhone > >> On Jan 19, 2025, at 10:00 AM, Sparks, John via R-help >> wrote: >> >> Hello R-Helpers, >> >> I was

Re: [R] Test For Difference of Betas By Group in car

2025-01-18 Thread David Winsemius via R-help
I don’t understand why you don’t include the full text of the error. — David Sent from my iPhone > On Jan 19, 2025, at 10:00 AM, Sparks, John via R-help > wrote: > > Hello R-Helpers, > > I was looking into how to test whether the beta coefficient from a regression > would be the same for

Re: [R] R Processing dataframe by group - equivalent to SAS by group processing with a first. and retain statments

2024-11-27 Thread David Winsemius via R-help
On 11/27/24 09:44, David Winsemius via R-help wrote: On 11/27/24 08:30, Sorkin, John wrote: I am an old, long time SAS programmer. I need to produce R code that processes a dataframe in a manner that is equivalent to that produced by using a by statement in SAS and an if first.day statement

Re: [R] R Processing dataframe by group - equivalent to SAS by group processing with a first. and retain statments

2024-11-27 Thread David Winsemius via R-help
On 11/27/24 08:30, Sorkin, John wrote: > I am an old, long time SAS programmer. I need to produce R code that > processes a dataframe in a manner that is equivalent to that produced by > using a by statement in SAS and an if first.day statement and a retain > statement: > > I want to take data

Re: [R] R Processing dataframe by group - equivalent to SAS by group processing with a first. and retain statments

2024-11-27 Thread David Winsemius via R-help
On 11/27/24 08:30, Sorkin, John wrote: > I am an old, long time SAS programmer. I need to produce R code that > processes a dataframe in a manner that is equivalent to that produced by > using a by statement in SAS and an if first.day statement and a retain > statement: > > I want to take data

Re: [R] Convert string to date time

2024-11-26 Thread David Winsemius via R-help
On 11/26/24 16:53, Sorkin, John wrote: I am reading a string that has the following form: "2020-08-26_05:15:01" I want to convert the string to a date-time variable. I tired: x <- "2007-02-01_10:10:30" That underscore is what's causing your problems. If it needs to stay in there because y

Re: [R] Using multiple dat files

2024-11-06 Thread David Winsemius via R-help
On 11/5/24 22:29, Sibylle Stöckli via R-help wrote: Dear community To import multiple .dat weather files I am using list.files(). I intend to use the R package “ClimInd” to calculate different agroclimatic indicators. Question: Is there another solution to import multiple .dat files so that

Re: [R] How to install this package

2024-10-03 Thread David Winsemius via R-help
I’m Sent from my iPhone > On Oct 2, 2024, at 7:43 AM, roslinazairimah zakaria > wrote: > > Hi Enrico, yes it works. I can also plot the graph. > Next question, how do I delete the date from 16 December until 31 December > 2014? > > > Thank you very much. > >> dt$time <- as.POSIXct(dt$time)

Re: [R] Prediction from Arima model

2024-08-31 Thread David Winsemius via R-help
Sent from my iPhone > On Aug 31, 2024, at 10:55 AM, Christofer Bogaso > wrote: > > Hi, > > I have run following code to obtain one step ahead confidence interval > from am arima model > > library(forecast) > > set.seed(100) > > forecast(Arima(rnorm(100), order = c(1,0,1), xreg = rt(100,

Re: [R] checking for unstated dependencies in examples ... ERROR

2024-08-25 Thread DAVID WINSEMIUS via R-help
> On 08/25/2024 1:32 PM PDT Søren Højsgaard via R-help > wrote: > > > Dear all, > When checking a package (ubuntu) I get > > checking for unstated dependencies in examples ... ERROR > Warning: parse error in file 'lines': > 77:20) > > Can anyone help on this? I doubt anyone can help w