Running examples in ‘emmeans-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: qdrg
> ### Title: Quick and dirty reference grid
> ### Aliases: qdrg
> 
> ### ** Examples
> 
> # In these examples, use emm_example(..., list = TRUE) # to see just the code
> 
> if (require(biglm, quietly = TRUE)) 
+     emm_example("qdrg-biglm")

--- Running code from 'system.file("extexamples", "qdrg-biglm.R", package = "emmeans")'

> bigmod <- biglm(log(conc) ~ source + factor(percent), 
+     data = pigs)

> rg1 <- qdrg(log(conc) ~ source + factor(percent), 
+     data = pigs, coef = coef(bigmod), vcov = vcov(bigmod), df = bigmod$df.residual)

> emmeans(rg1, "source", type = "response")
 source response   SE  df asymp.LCL asymp.UCL
 fish       29.8 1.09 Inf      27.7      32.0
 soy        39.1 1.47 Inf      36.4      42.1
 skim       44.6 1.75 Inf      41.2      48.1

Results are averaged over the levels of: percent 
Confidence level used: 0.95 
Intervals are back-transformed from the log scale 

>     
> if(require(coda, quietly = TRUE) && require(lme4, quietly = TRUE)) 
+     emm_example("qdrg-coda")

--- Running code from 'system.file("extexamples", "qdrg-coda.R", package = "emmeans")'

> post <- readRDS(system.file("extdata", "cbpplist", 
+     package = "emmeans"))$post.beta

> rg2 <- qdrg(~size + period, data = lme4::cbpp, mcmc = post, 
+     link = "logit")

> summary(rg2, type = "response")
 size period response lower.HPD upper.HPD
   15 1        0.1930    0.1214     0.288
   15 2        0.0836    0.0398     0.137
   15 3        0.0748    0.0369     0.129
   15 4        0.0489    0.0138     0.101

Point estimate displayed: median 
Results are back-transformed from the logit scale 
HPD interval probability: 0.95 

>     
> if(require(ordinal, quietly = TRUE)) 
+     emm_example("qdrg-ordinal")

--- Running code from 'system.file("extexamples", "qdrg-ordinal.R", package = "emmeans")'

> wine.clm <- clm(rating ~ temp * contact, data = wine)
Error: length of start is 7 should equal 6
Execution halted