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

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: tune_biclustermd
> ### Title: Bicluster data over a grid of tuning parameters
> ### Aliases: tune_biclustermd
> 
> ### ** Examples
> 
> library(dplyr)

Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union

> library(ggplot2)
> data("synthetic")
> tg <- expand.grid(
+ miss_val = fivenum(synthetic),
+ similarity = c("Rand", "HA", "Jaccard"),
+ col_min_num = 2,
+ row_min_num = 2,
+ col_clusters = 3:5,
+ row_clusters = 2
+ )
> tg
   miss_val similarity col_min_num row_min_num col_clusters row_clusters
1         5       Rand           2           2            3            2
2        10       Rand           2           2            3            2
3        20       Rand           2           2            3            2
4        25       Rand           2           2            3            2
5        30       Rand           2           2            3            2
6         5         HA           2           2            3            2
7        10         HA           2           2            3            2
8        20         HA           2           2            3            2
9        25         HA           2           2            3            2
10       30         HA           2           2            3            2
11        5    Jaccard           2           2            3            2
12       10    Jaccard           2           2            3            2
13       20    Jaccard           2           2            3            2
14       25    Jaccard           2           2            3            2
15       30    Jaccard           2           2            3            2
16        5       Rand           2           2            4            2
17       10       Rand           2           2            4            2
18       20       Rand           2           2            4            2
19       25       Rand           2           2            4            2
20       30       Rand           2           2            4            2
21        5         HA           2           2            4            2
22       10         HA           2           2            4            2
23       20         HA           2           2            4            2
24       25         HA           2           2            4            2
25       30         HA           2           2            4            2
26        5    Jaccard           2           2            4            2
27       10    Jaccard           2           2            4            2
28       20    Jaccard           2           2            4            2
29       25    Jaccard           2           2            4            2
30       30    Jaccard           2           2            4            2
31        5       Rand           2           2            5            2
32       10       Rand           2           2            5            2
33       20       Rand           2           2            5            2
34       25       Rand           2           2            5            2
35       30       Rand           2           2            5            2
36        5         HA           2           2            5            2
37       10         HA           2           2            5            2
38       20         HA           2           2            5            2
39       25         HA           2           2            5            2
40       30         HA           2           2            5            2
41        5    Jaccard           2           2            5            2
42       10    Jaccard           2           2            5            2
43       20    Jaccard           2           2            5            2
44       25    Jaccard           2           2            5            2
45       30    Jaccard           2           2            5            2
> 
> # in parallel: two cores:
> tbc <- tune_biclustermd(synthetic, nrep = 2, parallel = TRUE, ncores = 2, tune_grid = tg)
Error in { : task 1 failed - "incorrect number of dimensions"
> tbc
$msg
[1] "foreach failed"

$results
[1] "Error in { : task 1 failed - \"incorrect number of dimensions\"\n"
attr(,"class")
[1] "try-error"
attr(,"condition")
<simpleError in {    defaults[tune_params] <- tune_grid[i, ]    do.call(rep_biclustermd, defaults)}: task 1 failed - "incorrect number of dimensions">

> 
> tbc$grid %>%
+   group_by(miss_val, col_clusters) %>%
+   summarise(avg_sd = mean(sd_sse)) %>%
+   ggplot(aes(miss_val, avg_sd, color = col_clusters, group = col_clusters)) +
+   geom_line() +
+   geom_point()
Error in UseMethod("group_by") : 
  no applicable method for 'group_by' applied to an object of class "NULL"
Calls: %>% -> ggplot -> summarise -> group_by
Execution halted
Examples with CPU (user + system) or elapsed time > 5s
                 user system elapsed
biclustermd     4.249  0.129   6.327
rep_biclustermd 0.803  0.039   5.682