similar to: (Fwd) Re: your membership of the AFT Email list

Try as.matrix(df) where df may be subsetted. > From: "Chris Evans" <chris1 at psyctc.org> > To: s-news at lists.biostat.wustl.edu > Date: Sat, 24 Mar 2001 19:25:32 -0000 > Content-transfer-encoding: 7BIT > Subject: [S] extracting a matrix from a data frame > > I'm a researcher who often has to do my own statistics for various > reasons so apologies

<headline>Short question</headline>: Do people have advice on debugging R programs running after CGIwithR inputting of data from forms? Is there a way of setting up fast local versions if your local machine has to be a windoze (2k) machine (R 2.1.0) and your server is a Debian, ssh shell only set up running R 1.8.0? Are there simple guides to ways of not having to invoke R each

v 2.0.1 (sooooh old!) on Win2k I think I know the answer to this but I can hope ... I have data for continuous variables (measures of residents) by a categorical variable in range (1,22), the units in which they live. I want to plot these data with a pair of boxplots one above another with same x-axis (1,22) using par(mfrow=c(2,1)) and then plotting first for the women then for the men.

Hi, In the package survival, using the function survreg for AFT model, I only see 4 distributions for the response y: weibull, gaussian, logistic, lognormal and log-logistic, which correspond to certain distributions for the error terms. I'm wondering if there is a package or how to obtain the parameter estimates (the beta's are of great interest) from the AFT model (maximizing

The only references to this I can find searching the archives are to a student who asked in relation to his course work on a stats course. Promise I'm not doing that! I have a situation in which we want to test proportions against an expected proportion, binom.test() is great. I'd like to do some post hoc power tests (the x and n were beyond our control in the survey as all we could set

Hi all, I want to apply lasso method in AFT model. can anybody help me how to get lasso estimate using AFT model. Hossain [[alternative HTML version deleted]]

Hi, I'm estimating a loglogistic aft (accelerated failure time) model, just a simple plain vanilla one (without time dependent covariates), I'm comparing the results that I obtain between aftreg (eha package) and survreg(surv package). If I don't use any covariate the results are identical , if I add covariates all the coefficients are the same until a precision of 10^4 or 10^-5 except

Dear R-community, Dear Prof. Therneau, I would like to fit an AFT-model with time-dependent covariates and right-censored data. Searching the mailing list for information on the subject, I found some old posts which said it didn't work back then. My questions: (1) Has this kind of fitting already been implemented in the survival library in R? (2) If not: Are there any alternatives/

I have fit an accelerated failure time model using coxph, and have what seems to be a simple question that I can't figure out. Given a vector of predictor values X, the survival time S[t|X] is the probability the entity will survive longer than some time t. Now, how do I calculate this for a specific value of t? -- View this message in context:

I'm sure I'm being stupid so flame away... R2.2.1 on Windoze (boohoo) latest updates of packages. I'm exploring a dataset (land) with three variables looking at an narrowly unbalanced two group (GROUP) ANCOVA of a randomised controlled trial analysing endpoint score (SFQ.LOCF.ENDPOINT) entering the baseline score (SFQ.BASELINE) as covariate and the following work fine: > res.same

I am keen to look at Rcgi as I want to put up some simple bits of R to do prescribed tasks on HTML form input. Rweb is overkill and worryingly flexible for what I want and it sounds as if Rcgi is more what I need. However, I can't get any of the URLs I've found for it to work over the last few days. Does anyone have a recent copy they could Email me or a working URL for it? TIA,

Dear Prof. Brostr?m, Dear R-mailinglist, first of all thanks a lot for your great effort to incorporate time-varying covariates into aftreg. It works like a charm so far and I'll update you with detailled benchmarks as soon as I have them. I have one more questions regarding Accelerated Failure Time models (with aftreg): You mention that left truncation in combination with time-varying

Hi I have been having a rough time getting a Sangoma A200/Remora FXO/ FXS Analog AFT card set up properly. The main issue is that the card has four ports and as far as I can tell Asterisk is only seeing two. On the two that it recognizes the "Green" FXS ports are not green, they just are not lit. The "RED" FXO ports are indeed red, but from what I have read your not

I'll take a risk following Uwe's wonderful response to that advert. I'm looking for someone, perhaps particularly a stats student, who might want to do a piece of work with me on using R to present and analyse routine data that psychotherapists might submit on a cgi-bin interface and perhaps cross-referencing that against some largish referential data to which I have access.

Thank you that is exactly it! The problem was to connect each point of the series 'Conc' with a line. Best regards Luigi On Sat, Jul 1, 2023 at 8:33?PM Chris Evans <chrishold at psyctc.org> wrote: > > > On 01/07/2023 19:20, Luigi Marongiu wrote: > > Hello, > > I have a dataframe with measurements stratified by the concentration > > of a certain substance.

It's not clear what you want but ... On 02/05/2023 10:57, Upananda Pani wrote: > Dear All, > > I have a dataset which contains date and 12 other countries data. I > have extracted the data as xts object. > > I am not able to recall all the series in the Y axis. My data set > looks like this > > index crepub finland france germany italy netherlands norway poland >

Hi, I plan to upgrade/replace my somewhat crippled and outdated samba 4.7.4 domain controller. The OS is an openSUSE-Leap-42.3 which had no packages for a samba-ad-dc. These packages have been introduced in successor openSUSE releases starting with Leap-15.0. Leap-15.0 comes with samba 4.7.11. So I set up a new Leap-15.0 host and joint it as a dc controller. I set up the sysvol replication

Dear all, I am developing a small suite of cgi-bin programs on my server that help provide some things that statistical/psychometric beginners may find helpful and which are aren't widely available. Some early e.g.s are: http://www.psyctc.org/stats/R/multirater.html http://www.psyctc.org/stats/R/CSC1.html and I'll be adding more to http://www.psyctc.org/stats/ and some that will be

----- Original Message ----- > From: "Dirk Eddelbuettel" <edd at debian.org> > To: "Chris Evans" <chrishold at psyctc.org> > Cc: "r-sig-debian" <r-sig-debian at r-project.org> > Sent: Saturday, 12 January, 2019 21:23:46 > Subject: Re: [R-sig-Debian] Installing Rstudio and shiny free server on Debian > On 12 January 2019 at 20:30,

This is a funny one and if it's off topic here, I would be grateful if I could be guided to where it would be on topic. I have done some searching but not very successfully so far. Situation: I am doing some analyses of data that are stored in a postgres database in the AWS cloud and using the RJDBC and dplyr packages for the specifics of yanking the data to my own machine. They work and