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Greetings, I am trying to run a logistic regression model for binary data with a random intercept and slope in R 2.6.1. When I use the code: lmer1<-lmer(infect ~ time+gender + (1+time|id), family=binomial, data=ichs, method="Laplace") Then from: summary(lmer1) I get the message: Error in if (any(sd < 0)) return("'sd' slot has negative entries") : missing

...at main.c:236 #8 0x080b56ad in R_ReplConsole (rho=0x81e6f68, savestack=0, browselevel=0) at main.c:280 #9 0x080b5d4b in run_Rmainloop () at main.c:579 #10 0x0811570e in main (ac=1, av=0xbffffa34) at system.c:99 #11 0x42017499 in __libc_start_main () from /lib/i686/libc.so.6 thanks, rafael MESSGAGE from archive: I've not seen this behavior. Try "R -d gdb" and then type "run" at the gdb prompt. Run your R session until the seg fault and send me the backtrace. Thanks. Tim On Thu, 2002-04-25 at 18:05, Andrew Schuh wrote: > I can use the Rdbi package to connect to a...

Hi All, I have posted this messgage yesterday in the Beowulf mailing list, and did not get any responses, as i have tried different Centos kernels to see if the behaviour changes or not, and it did not change much, I am posting it here, I hope no one minds, and thanks in advance for any pointers or clues? ---------- Forwarded mess...

...at main.c:236 #8 0x080b56ad in R_ReplConsole (rho=0x81e6f68, savestack=0, browselevel=0) at main.c:280 #9 0x080b5d4b in run_Rmainloop () at main.c:579 #10 0x0811570e in main (ac=1, av=0xbffffa34) at system.c:99 #11 0x42017499 in __libc_start_main () from /lib/i686/libc.so.6 thanks, rafael MESSGAGE from archive: I've not seen this behavior. Try "R -d gdb" and then type "run" at the gdb prompt. Run your R session until the seg fault and send me the backtrace. Thanks. Tim On Thu, 2002-04-25 at 18:05, Andrew Schuh wrote: > I can use the Rdbi package to connect to a...

...class # # # Rdbi: ioMethods.R # dbSendQuery <- function(conn, ...) UseMethod("dbSendQuery") # # This function submits a query string to the backend. If the query # generates any results, they should be returned in a data frame; # otherwise the function returns NULL. Printing error messgages is # left to the implementation, but this function should not issue a # call to error() or stop(). Error messages may be retrievable from # the connection object depending on implementation. # dbSendQuery.default <- function(conn, ...) stop("Invalid connection object") # # This mea...