When I add the following instruction : make.link(log) I have an error that I don't understand. model<-glm(spa~an, family=gaussian, make.link(log)) error in as.vector(x, "double"): cannot coerce to vector) If someone can help, thanks Martial -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
GLM problem
3 messages · laurans@roazhon, Brian Ripley, Thomas Lumley
On Thu, 21 Jun 2001, laurans at roazhon wrote:
When I add the following instruction : make.link(log) I have an error that I don't understand. model<-glm(spa~an, family=gaussian, make.link(log)) error in as.vector(x, "double"): cannot coerce to vector) If someone can help, thanks
Something certainly could. It's the help page which says
Arguments:
link: character or numeric; one of `"logit"', `"probit"',
`"cloglog"', `"identity"', `"log"', `"sqrt"', `"1/mu^2"',
`"inverse"', or number, say lambda resulting in power link mu
^ lambda.
log is a function: I think you meant make.link("log"). However, that
is not the only error: I believe you meant
model <- glm(spa ~ an, family=gaussian("log"))
The fourth argument of glm is `data'. (In this case you will get away
with gaussian(log).
Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
On Thu, 21 Jun 2001, laurans at roazhon wrote:
When I add the following instruction : make.link(log) I have an error that I don't understand. model<-glm(spa~an, family=gaussian, make.link(log)) error in as.vector(x, "double"): cannot coerce to vector)
You are specifying the data= argument as make.link(log). Not surprisingly this makes R unhappy. I think you want model<-glm(spa~an, family=gaussian(log)) -thomas Thomas Lumley Asst. Professor, Biostatistics tlumley at u.washington.edu University of Washington, Seattle ^^^^^^^^^^^^^^^^^^^^^^^^ NOTE NEW EMAIL ADDRESS -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._