Running examples in 'broom-Ex.R' failed
The error most likely occurred in:

> ### Name: emmeans_tidiers
> ### Title: Tidy estimated marginal means (least-squares means) objects from
> ###   the emmeans and lsmeans packages
> ### Aliases: emmeans_tidiers tidy.lsmobj tidy.ref.grid tidy.emmGrid
> 
> ### ** Examples
> 
> 
> if (require("emmeans", quietly = TRUE)) {
+   # linear model for sales of oranges per day
+   oranges_lm1 <- lm(sales1 ~ price1 + price2 + day + store, data = oranges)
+ 
+   # reference grid; see vignette("basics", package = "emmeans")
+   oranges_rg1 <- ref_grid(oranges_lm1)
+   td <- tidy(oranges_rg1)
+   td
+ 
+   # marginal averages
+   marginal <- emmeans(oranges_rg1, "day")
+   tidy(marginal)
+ 
+   # contrasts
+   tidy(contrast(marginal))
+   tidy(contrast(marginal, method = "pairwise"))
+ 
+   # plot confidence intervals
+   library(ggplot2)
+   ggplot(tidy(marginal), aes(day, estimate)) +
+     geom_point() +
+     geom_errorbar(aes(ymin = conf.low, ymax = conf.high))
+ 
+   # by multiple prices
+   by_price <- emmeans(oranges_lm1, "day", by = "price2",
+                       at = list(price1 = 50, price2 = c(40, 60, 80),
+                       day = c("2", "3", "4")) )
+   by_price
+   tidy(by_price)
+ 
+   ggplot(tidy(by_price), aes(price2, estimate, color = day)) +
+     geom_line() +
+     geom_errorbar(aes(ymin = conf.low, ymax = conf.high))
+ }
Error in namespaceExport(ns, exports) : 
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Calls: tidy ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted