Dear All: I am trying to run a random effect model in R, but when I used "lmer" I got the following errors: Please see below. library(lme4) batchlevel <- c(1,1,1,2,2,2,3,3,3,4,4,4,5,5,5) batch <- as.character(batchlevel) yield <- c(74,76,75,68,71,72,75,77,77,72,74,73,79,81,79) dataaov <- data.frame(batch,yield) raneff <- lmer(yield~1+(1|batch),data=dataaov) Error in get(name, envir = asNamespace(pkg), inherits = FALSE) :?? object '.setDummyField' not found summary(raneff) ?Error in summary(raneff) :?? error in evaluating the argument 'object' in selecting a method for function 'summary': Error: object 'raneff' not found Any help will be highly appreciated. many thanksabou ======================== AbouEl-Makarim Aboueissa Sozan Elsalakawy Mohamed Agamia 246 Auburn Street, #158 Portland, ME 04103 USA Tel: (207) 797-2724 Email: aboueiss at yahoo.com
lmer
1 message · AbouEl-Makarim Aboueissa