Re: [R] Multi-level (nested) correlation structures via geepack package

2020-07-13 Thread Phat Chau
Hi Duncan, Thank you for your message. All of those citations and suggestions are wonderful and highly relevant for GEEs. My concern is that I need multi-level/nested correlation structures, whereas those handle the specification of covariance matrices at the level of repeated observations wi

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Erin Hodgess
Just figured out the label format! Erin Hodgess, PhD mailto: erinm.hodg...@gmail.com On Mon, Jul 13, 2020 at 6:58 PM Paul Bernal wrote: > Dear friend, yes, > > When I generate the forecasts i want the output to include the original > series, the fitted vaules and the forecast and I want the x-

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Erin Hodgess
I’m not entirely sure if we can do the Y-m-d format, but I will give it a try! Thanks On Mon, Jul 13, 2020 at 6:58 PM Paul Bernal wrote: > Dear friend, yes, > > When I generate the forecasts i want the output to include the original > series, the fitted vaules and the forecast and I want the x-

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Paul Bernal
Dear friend, yes, When I generate the forecasts i want the output to include the original series, the fitted vaules and the forecast and I want the x-axis to show all dates (both the dates of the historical series plus the future dares in -mm-dd format). Thank you so much for your kind and va

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Erin Hodgess
Hi again, Paul! When you are plotting the final product, do you want both the original series, the fitted values, and the forecast, please? I am messing around with your data. Thanks, Erin Erin Hodgess, PhD mailto: erinm.hodg...@gmail.com On Mon, Jul 13, 2020 at 12:41 PM Paul Bernal wrote:

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Paul Bernal
Dear friend Erin, Thank you so much for your kind reply. I have not tried xts nor zoo, but I will give it a shot and let you know how it goes. Best regards, Paul El lun., 13 jul. 2020 a las 13:44, Erin Hodgess () escribió: > Hi Paul > > Have you looked at the xts or zoo packages, please? > > T

Re: [R] How to install libisl.so.19 on chromebook?

2020-07-13 Thread Jeff Newmiller
This question is off topic here (it is not about R... read the Posting Guide... contributed packages are not R), but... it is not AFAIK possible to install R on ChromeOS though you can install it within the "Linux (Beta)" container, which comes by default with the Debian distribution. Assuming

[R] How to install libisl.so.19 on chromebook?

2020-07-13 Thread Luigi Marongiu
I am trying to install minpack.lm on R 3.3.3 on a Chromebook. But I get this error: ``` > install.packages("minpack.lm") Installing package into ‘/home/marongiuluigi/R/x86_64-pc-linux-gnu-library/3.3’ (as ‘lib’ is unspecified) trying URL 'https://cran.rstudio.com/src/contrib/minpack.lm_1.2-1.tar.gz

Re: [R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Erin Hodgess
Hi Paul Have you looked at the xts or zoo packages, please? They work very well on daily series. Thanks, Erin On Mon, Jul 13, 2020 at 12:41 PM Paul Bernal wrote: > Dear friends, hope you are doing great, > > I am working with a daily time series, the series starts on march,10, 2020 > until ju

[R] Issues whenWorking with Daily Time Series and Generating Forecasts

2020-07-13 Thread Paul Bernal
Dear friends, hope you are doing great, I am working with a daily time series, the series starts on march,10, 2020 until july 9th, 2020. I would like to know if there is a way to make it a ts object, specifying the year, month and day with the ts function. First, I tried setting the ts object as

Re: [R] lme4 - Mixed Model question

2020-07-13 Thread Thierry Onkelinx via R-help
Dear Axel, A few quick remarks. 1) This question is more suitable for r-sig-mixed-models. 2) A mixed model needs much more than two groups. If you have only a few groups, consider a glm with group interactions. 3) Setting the value of a covariate to zero for a set of observations has the same eff

Re: [R] brms does not work with R4.0.2

2020-07-13 Thread Witold E Wolski
Hello, Got the following info from the brms package Maintainer. "This is a caused by a problem in the current rstan CRAN version on Windows and is not related to brms. You can find various threads that deal with that topic on https://discourse.mc-stan.org/. For now, it may be easiest to revert to

[R] lme4 - Mixed Model question

2020-07-13 Thread Axel Urbiz
Dear List, I’d appreciate any guidance on the following. I’m using a mixed effects logistic regression model, to allow coefficients to vary by a group variable. However, my case is not typical in the sense that I need to specify a different set of covariates for each level of the group varia

[R] brms does not work with R4.0.2

2020-07-13 Thread Witold E Wolski
Hello, I upgraded today to R4.0.2 from 3.6.3 on my Windows machine (actually 2 of them - first desktop and then laptop just to verify the problem) and on both of them I am getting the following error when running the brms::brm function example code. ``` > bprior1 <- prior(student_t(5,0,10), class