I ran across this by accident when working up an example. It uses a data set
from the survival package, but nothing else from there. Fails on the Intel
machine shown below, and on a virtual linux instance on a newer Mac.
Terry
> library(survival)
> library(lme4)
Loading required package: Matrix> sessionInfo()
R Under development (unstable) (2024-06-14 r86747)
Platform: aarch64-unknown-linux-gnu
Running under: Ubuntu 22.04.4 LTS
Matrix products: default
BLAS: /usr/local/src/R-devel/lib/libRblas.so
LAPACK: /usr/lib/aarch64-linux-gnu/lapack/liblapack.so.3.10.0
locale:
[1] LC_CTYPE=C.UTF-8 LC_NUMERIC=C LC_TIME=C.UTF-8
[4] LC_COLLATE=C LC_MONETARY=C.UTF-8 LC_MESSAGES=C.UTF-8
[7] LC_PAPER=C.UTF-8 LC_NAME=C LC_ADDRESS=C
[10] LC_TELEPHONE=C LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C
time zone: America/Chicago
tzcode source: system (glibc)
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] lme4_1.1-35.1 Matrix_1.7-0 survival_3.6-6
loaded via a namespace (and not attached):
[1] minqa_1.2.5 MASS_7.3-60.2 compiler_4.5.0 Rcpp_1.0.11 splines_4.5.0
[6] nlme_3.1-164 grid_4.5.0 nloptr_2.0.3 boot_1.3-30
lattice_0.22-6>
> # Create a data set of all PBC subjects with 4 or more values
> count <- table(pbcseq$id)
> data4 <- subset(pbcseq, id %in% names(count)[count>3])
> data4$year <- data4$day/365.25
>
> fit <- lmer(log(bili) ~ year + (1+year | id), data4)
-- more lines than I can capture --
= NULL, verbose = 0L, control = list(optimizer = "nloptwrap",
restart_edge = TRUE, boundary.tol = 1e-05, calc.derivs = TRUE,
use.last.params = FALSE, checkControl = list(check.nobs.vs.rankZ =
"ignore", check.nobs.vs.nlev = "stop",
check.nlev.gtreq.5 = "ignore", check.nlev.gtr.1 = "stop",
check.nobs.vs.nRE = "stop", check.rankX =
"message+drop.cols", check.scaleX = "warning",
check.formula.LHS = "stop"), checkConv = list(check.conv.grad
= list(action = "warning", tol = 0.002, relTol = NULL),
check.conv.singular = list( action = "message", tol =
1e-04), check.conv.hess = list( action = "warning", tol =
1e-06)), optCtrl = list()))
10: do.call(mkLmerDevfun, c(lmod, list(start = start, verbose = verbose,
control = control)))
11: lmer(log(bili) ~ year + (1 + year | id), data4)
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
Selection:
[[alternative HTML version deleted]]