[R] JSM 2018 Invited Session Proposals on Statistical Graphics and Data Visualization Due by September 7, 2017

; * Be willing to reach out to your competitors and forge a session with energy in it. For more details, please refer to http://ww2.amstat.org/meetings/jsm/2018/invitedsessions.cfm. Many thanks, Isabella Isabella R. Ghement, Ph.D. JSM 2018 Program Chair for the ASA Section on Statistical Graphics E

[R] Error in predict.lm() for models with no intercept?

Hi everyone, Could there be an error in the predict() function in R for models without intercepts which include one or more predictors? When using the predict() function to obtain the standard errors of the fitted values produced by a linear model (lm), the behaviour of the

Re: [R] Error in predict.lm() for models with no intercept?

. Best, Isabella On Tue 16/09/14 3:06 PM , isabe...@ghement.ca sent: Hi everyone, Could there be an error in the predict() function in R for models without intercepts which include one or more predictors? When using the predict() function to obtain the standard errors

[R] Error in predict.lm() for models without intercept?

to the effects package in R, which constructs plots similar to the ones produced by matplot above by relying on the predict() function. Many thanks, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company Ltd. 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel

Re: [R] Error in predict.lm() for models without intercept?

Hi Rolf, BODY { font-family:Arial, Helvetica, sans-serif;font-size:12px; } Thanks very much for your response. You are right - my simulated example works as intended, so it can't be used to get to the bottom of this problem (if it is a problem at all). Here is

[R] Lack-of-fit test for linear mixed effects model (lme) including two fixed effects

Dear list members, I fitted a linear mixed effects model using the lme function from nlme package. In the model I included two fixed effects, one being continuous and one a factor having 4 categories. Furthermore, I have one random effect (id) which I want to include as a random

[R] How to split a plot into vertical subregions with width proportional to length of a character string?

) text(1,3,Text 1,pos=4) text(8,3,Label 2,pos=4) arrows(2,3,8,3,code=3, length=0.1,lwd=2) text(5,3,Range,pos=3) Thank you in advance for any ideas you can provide. Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company Ltd. 301-7031 Blundell Road, Richmond

[R] Robust ARMA Fitting in R?

and kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail: isabe...@ghement.ca Web: www.ghement.ca [[alternative HTML version

Re: [R] Robust ARMA Fitting in R?

to point it out to me. My Google searches came up empty handed. Kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail: isabe

[R] meboot - can it handle outliers and missing values?

accomodate these two features, which are the hallmark of many real time series? If yes, I would very much appreciate your thoughts on how this can be achieved in R. Many thanks and kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting

Re: [R] Unexpected behavior for as.date()

with as.Date() and strptime() if possible. Kind regards, Isabella P.S. Many thanks also to all the contributors to this post who kindly offered alternative solutions to my problem. I really appreciate your time and insights. -Original Message- From: Therneau, Terry M., Ph.D

[R] Unexpected behaviour for as.date()

character dates from the year 2000 into Julian dates? I need to perform this conversion in order to compute the difference between two dates, one of which happens to come from the year 2000. Many thanks! Isabella __ R-help@r-project.org mailing list https

Re: [R] Unexpected behaviour for as.date()

=dmy) strptime(d, %d%b%y)$year How does one extract (a meaningful) year from the object d above? Kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail: isabe

Re: [R] Unexpected behaviour for as.date()

would find a bug in as.date() for the year 2000 and that I would not be able to apply strptime() to objects produced by as.date(). In the future, if given the option, I will stick with the as.Date() function you suggested. Kind regards, Isabella -Original Message- From: David Winsemius

[R] Comparing Proportions Among Groups

, but is it possible to solve this problem in R without resorting to the use of dummy variables? Many thanks and kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail

[R] Gage R R

Hello, Could you let me know if there any R packages available for performing Gage R R studies. Thank you! Sincerely, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail

Re: [R] Problems with R2WinBUGS

to narrow down this problem.) Many thanks! Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail: [EMAIL PROTECTED] Web: [2]www.ghement.ca

Re: [R] Problems with R2WinBUGS

the call to R2WinBUGS breaks down. In case this may be needed, I am using R 2.6.2 and WinBUGS 1.4. Kind regards, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604

[R] Problems with R2WinBUGS

,n.burnin=5000,n.thin=1, bugs.directory=c:/Program Files/WinBUGS14/, codaPkg=FALSE, debug=FALSE) Thank you in advance for any help you may be able to provide! Sincerely, Isabella Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road