**********
Reproducible example
**********
# Point your browser to: https://www.dropbox.com/s/27d780qorp2bbr3/data.txt , and download data.txt
e1 <- read.table('data.txt', header = TRUE)
e1$subNum <- factor(e1$subNum)
e1$sesNum <-factor(e1$sesNum)
e1$gamma.f <- factor(e1$gamma)
e1$trial <- e1$trial + 1
library(car)
e1$response.f <- Recode(e1$response, " 0 = 'a'; 1 = 'b'; 2 = 'c'; else = 'd'", as.factor.result = TRUE)
e1$duration <- Recode(e1$dT, " 6 = '100'; else = '300' ", as.factor.result = TRUE)
names(e1)[10] <- 'bar'
e1$cbr <- with(e1, c/b)
e1ba <- e1[e1$response.f == 'a' | e1$response.f == 'b',]
e1ba$response.f = factor(e1ba$response.f)
e1ba$which <- factor('b')
e1ba$aspectRatio <- e1ba$bar
e1ba$aspectRatio.f <- factor(e1ba$aspectRatio)
e1ba$aspectRatio.c <- e1ba$aspectRatio - median(e1ba$aspectRatio)
library(lme4)
mySumm3 <- function(.) {
	c(beta=fixef(.))
}
boo01 <- bootMer(e1ba.mer2, FUN = mySumm3, nsim = 100, verbose = TRUE, .progress = 'txt')

###########################
Here is what I get:
###########################
 =    1 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
=    2 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
==    3 : Named num [1:2] -2.75 -13.22
 - attr(*, "names")= chr [1:2] "beta.(Intercept)" "beta.aspectRatio.c"
=    4 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
=    5 : Named num [1:2] -2.98 -14.46
 - attr(*, "names")= chr [1:2] "beta.(Intercept)" "beta.aspectRatio.c"
=    6 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
==    7 : Named num [1:2] -2.83 -13.75
 - attr(*, "names")= chr [1:2] "beta.(Intercept)" "beta.aspectRatio.c"
...
=   20 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
=   21 : Named num [1:2] -2.87 -13.83
 - attr(*, "names")= chr [1:2] "beta.(Intercept)" "beta.aspectRatio.c"
=   22 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
==   23 :List of 3
 $ message : chr "pwrssUpdate did not converge in 30 iterations"
 $ call    : NULL
 $ cppstack: NULL
 - attr(*, "class")= chr [1:4] "std::runtime_error" "C++Error" "error" "condition"
=   24 : Named num [1:2] -2.77 -13.69
 - attr(*, "names")= chr [1:2] "beta.(Intercept)" "beta.aspectRatio.c"
...
###########################

R version 3.0.1 (2013-05-16)
Platform: x86_64-apple-darwin10.8.0 (64-bit)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] grid      splines   datasets  utils     stats     graphics  grDevices methods   base     

other attached packages:
 [1] boot_1.3-9          scales_0.2.3        effects_2.2-4       colorspace_1.2-2    MuMIn_1.9.5         lme4_0.99999911-8  
 [7] RcppEigen_0.3.1.2.1 Rcpp_0.10.4         Matrix_1.0-12       lattice_0.20-15     sos_1.3-5           brew_1.0-6         
[13] ggplot2_0.9.3.1     car_2.0-18          nnet_7.3-7          MASS_7.3-27        

loaded via a namespace (and not attached):
 [1] dichromat_2.0-0    digest_0.6.3       gtable_0.1.2       labeling_0.2       minqa_1.2.1        munsell_0.4.2     
 [7] nlme_3.1-110       plyr_1.8           proto_0.3-10       RColorBrewer_1.0-5 reshape2_1.2.2     stringr_0.6.2     
[13] tools_3.0.1       



______________________________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
for mail add:						for FedEx or UPS add: 
P.O.Box 400400					Gilmer Hall, Room 102
Charlottesville, VA 22904-4400	485 McCormick Road
USA							Charlottesville, VA 22903
		room	phone
Office:    B011	+1-434-982-4729
Lab:        B019	+1-434-982-4751
WWW:    http://www.people.virginia.edu/~mk9y/


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