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

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: fill_gaps
> ### Title: Turn implicit missing values into explicit missing values
> ### Aliases: fill_gaps
> 
> ### ** Examples
> 
> harvest <- tsibble(
+   year = c(2010, 2011, 2013, 2011, 2012, 2014),
+   fruit = rep(c("kiwi", "cherry"), each = 3),
+   kilo = sample(1:10, size = 6),
+   key = fruit, index = year
+ )
> 
> # gaps as default `NA`
> fill_gaps(harvest, .full = TRUE)
# A tsibble: 10 x 3 [1Y]
# Key:       fruit [2]
    year fruit   kilo
   <dbl> <chr>  <int>
 1  2010 cherry    NA
 2  2011 cherry     1
 3  2012 cherry     2
 4  2013 cherry    NA
 5  2014 cherry     5
 6  2010 kiwi       9
 7  2011 kiwi       4
 8  2012 kiwi      NA
 9  2013 kiwi       7
10  2014 kiwi      NA
> fill_gaps(harvest, .full = start())
# A tsibble: 9 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2010 cherry    NA
2  2011 cherry     1
3  2012 cherry     2
4  2013 cherry    NA
5  2014 cherry     5
6  2010 kiwi       9
7  2011 kiwi       4
8  2012 kiwi      NA
9  2013 kiwi       7
> fill_gaps(harvest, .full = end())
# A tsibble: 9 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    NA
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      NA
8  2013 kiwi       7
9  2014 kiwi      NA
> full_harvest <- fill_gaps(harvest, .full = FALSE)
> full_harvest
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    NA
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      NA
8  2013 kiwi       7
> 
> # replace gaps with a specific value
> harvest %>%
+   fill_gaps(kilo = 0L)
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry     0
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi       0
8  2013 kiwi       7
> 
> # replace gaps using a function by variable
> harvest %>%
+   fill_gaps(kilo = sum(kilo))
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    28
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      28
8  2013 kiwi       7
> 
> # replace gaps using a function for each group
> harvest %>%
+   group_by_key() %>%
+   fill_gaps(kilo = sum(kilo))
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
# Groups:    fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry     8
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      20
8  2013 kiwi       7
> 
> # leaves existing `NA` untouched
> harvest[2, 3] <- NA
> harvest %>%
+   group_by_key() %>%
+   fill_gaps(kilo = sum(kilo, na.rm = TRUE))
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
# Groups:    fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry    NA
3  2013 cherry     6
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      20
8  2013 kiwi       7
> 
> # replace NA
> pedestrian %>%
+   group_by_key() %>%
+   fill_gaps(Count = as.integer(median(Count)))
# A tsibble: 69,048 x 5 [1h] <Australia/Melbourne>
# Key:       Sensor [4]
# Groups:    Sensor [4]
   Sensor         Date_Time           Date        Time Count
   <chr>          <dttm>              <date>     <int> <int>
 1 Birrarung Marr 2015-01-01 00:00:00 2015-01-01     0  1630
 2 Birrarung Marr 2015-01-01 01:00:00 2015-01-01     1   826
 3 Birrarung Marr 2015-01-01 02:00:00 2015-01-01     2   567
 4 Birrarung Marr 2015-01-01 03:00:00 2015-01-01     3   264
 5 Birrarung Marr 2015-01-01 04:00:00 2015-01-01     4   139
 6 Birrarung Marr 2015-01-01 05:00:00 2015-01-01     5    77
 7 Birrarung Marr 2015-01-01 06:00:00 2015-01-01     6    44
 8 Birrarung Marr 2015-01-01 07:00:00 2015-01-01     7    56
 9 Birrarung Marr 2015-01-01 08:00:00 2015-01-01     8   113
10 Birrarung Marr 2015-01-01 09:00:00 2015-01-01     9   166
# ... with 69,038 more rows
> 
> if (!requireNamespace("tidyr", quietly = TRUE)) {
+   stop("Please install the 'tidyr' package to run these following examples.")
+ }
Error: Please install the 'tidyr' package to run these following examples.
Execution halted