glimpse.md
In pillar: Coloured Formatting for Columns

format_glimpse() output test

Code
  # # Atomic numbers
  format_glimpse(1)
Output
  [1] "1"
Code
  format_glimpse(1:3)
Output
  [1] "1" "2" "3"
Code
  format_glimpse(NA)
Output
  [1] "NA"
Code
  format_glimpse(TRUE)
Output
  [1] "TRUE"
Code
  format_glimpse(logical())
Output
  character(0)
Code
  # # Strings
  format_glimpse("1")
Output
  [1] "\"1\""
Code
  format_glimpse(letters)
Output
   [1] "\"a\"" "\"b\"" "\"c\"" "\"d\"" "\"e\"" "\"f\"" "\"g\"" "\"h\"" "\"i\""
  [10] "\"j\"" "\"k\"" "\"l\"" "\"m\"" "\"n\"" "\"o\"" "\"p\"" "\"q\"" "\"r\""
  [19] "\"s\"" "\"t\"" "\"u\"" "\"v\"" "\"w\"" "\"x\"" "\"y\"" "\"z\""
Code
  format_glimpse(NA_character_)
Output
  [1] "NA"
Code
  format_glimpse(character())
Output
  character(0)
Code
  # # Factors
  format_glimpse(factor(c("1", "a")))
Output
  [1] "1" "a"
Code
  format_glimpse(factor(c("foo", "\"bar\"")))
Output
  [1] "foo"     "\"bar\""
Code
  format_glimpse(factor())
Output
  character(0)
Code
  # Add quotes around factor levels with comma
  # so they don't appear as if they were two observations (#384)
  format_glimpse(factor(c("foo, bar", "foo", "\"bar\"")))
Output
  [1] "\"foo, bar\""    "\"foo\""         "\"\\\"bar\\\"\""
Code
  # # Lists
  format_glimpse(list(1:3))
Output
  [1] "<1, 2, 3>"
Code
  format_glimpse(as.list(1:3))
Output
  [1] "1" "2" "3"
Code
  format_glimpse(list(1:3, 4))
Output
  [1] "<1, 2, 3>" "4"        
Code
  format_glimpse(list(1:3, 4:5))
Output
  [1] "<1, 2, 3>" "<4, 5>"   
Code
  format_glimpse(list())
Output
  [1] "list()"
Code
  format_glimpse(list(list()))
Output
  [1] "[]"
Code
  format_glimpse(list(character()))
Output
  [1] "<>"
Code
  format_glimpse(list(1:3, list(4)))
Output
  [1] "<1, 2, 3>" "[4]"      
Code
  format_glimpse(list(1:3, list(4:5)))
Output
  [1] "<1, 2, 3>" "[<4, 5>]"

output test for glimpse()

Code
  glimpse(as_tbl(mtcars), width = 70L)
Output
  Rows: 32
  Columns: 11
  $ mpg  <dbl> 21.0, 21.0, 22.8, 21.4, 18.7, 18.1, 14.3, 24.4, 22.8, 1~
  $ cyl  <dbl> 6, 6, 4, 6, 8, 6, 8, 4, 4, 6, 6, 8, 8, 8, 8, 8, 8, 4, 4~
  $ disp <dbl> 160.0, 160.0, 108.0, 258.0, 360.0, 225.0, 360.0, 146.7,~
  $ hp   <dbl> 110, 110, 93, 110, 175, 105, 245, 62, 95, 123, 123, 180~
  $ drat <dbl> 3.90, 3.90, 3.85, 3.08, 3.15, 2.76, 3.21, 3.69, 3.92, 3~
  $ wt   <dbl> 2.620, 2.875, 2.320, 3.215, 3.440, 3.460, 3.570, 3.190,~
  $ qsec <dbl> 16.46, 17.02, 18.61, 19.44, 17.02, 20.22, 15.84, 20.00,~
  $ vs   <dbl> 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1~
  $ am   <dbl> 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1~
  $ gear <dbl> 4, 4, 4, 3, 3, 3, 3, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 4, 4~
  $ carb <dbl> 4, 4, 1, 1, 2, 1, 4, 2, 2, 4, 4, 3, 3, 3, 4, 4, 4, 1, 2~
Code
  glimpse(as_tbl(trees), width = 70L)
Output
  Rows: 31
  Columns: 3
  $ Girth  <dbl> 8.3, 8.6, 8.8, 10.5, 10.7, 10.8, 11.0, 11.0, 11.1, 11~
  $ Height <dbl> 70, 65, 63, 72, 81, 83, 66, 75, 80, 75, 79, 76, 76, 6~
  $ Volume <dbl> 10.3, 10.3, 10.2, 16.4, 18.8, 19.7, 15.6, 18.2, 22.6,~
Code
  # No columns
  glimpse(as_tbl(trees[integer()]), width = 70L)
Output
  Rows: 31
  Columns: 0
Code
  # Non-syntactic names
  df <- tibble::tibble(!!!set_names(c(5, 3), c("mean(x)", "var(x)")))
  glimpse(df, width = 28)
Output
  Rows: 1
  Columns: 2
  $ `mean(x)` <dbl> 5
  $ `var(x)`  <dbl> 3
Code
  glimpse(as_tbl(df_all), width = 70L)
Output
  Rows: 3
  Columns: 9
  $ a <dbl> 1.0, 2.5, NA
  $ b <int> 1, 2, NA
  $ c <lgl> TRUE, FALSE, NA
  $ d <chr> "a", "b", NA
  $ e <fct> a, b, NA
  $ f <date> 2015-12-10, 2015-12-11, NA
  $ g <dttm> 2015-12-09 10:51:35, 2015-12-09 10:51:36, NA
  $ h <list> 1, 2, NA
  $ i <list> [1, <2, 3>], [<4, 5, 6>], [NA]
Code
  # options(tibble.width = 50)
  withr::with_options(list(tibble.width = 50), glimpse(as_tbl(df_all)))
Output
  Rows: 3
  Columns: 9
  $ a <dbl> 1.0, 2.5, NA
  $ b <int> 1, 2, NA
  $ c <lgl> TRUE, FALSE, NA
  $ d <chr> "a", "b", NA
  $ e <fct> a, b, NA
  $ f <date> 2015-12-10, 2015-12-11, NA
  $ g <dttm> 2015-12-09 10:51:35, 2015-12-09 10:51:~
  $ h <list> 1, 2, NA
  $ i <list> [1, <2, 3>], [<4, 5, 6>], [NA]
Code
  # options(tibble.width = 35)
  withr::with_options(list(tibble.width = 35), glimpse(as_tbl(df_all)))
Output
  Rows: 3
  Columns: 9
  $ a <dbl> 1.0, 2.5, NA
  $ b <int> 1, 2, NA
  $ c <lgl> TRUE, FALSE, NA
  $ d <chr> "a", "b", NA
  $ e <fct> a, b, NA
  $ f <date> 2015-12-10, 2015-12-11,~
  $ g <dttm> 2015-12-09 10:51:35, 20~
  $ h <list> 1, 2, NA
  $ i <list> [1, <2, 3>], [<4, 5, 6>~
Code
  # non-tibble
  glimpse(5)
Output
   num 5
Code
  trees2 <- as_unknown_rows(trees)
  glimpse(trees2, width = 70L)
Output
  Rows: ??
  Columns: 3
  $ Girth  <dbl> 8.3, 8.6, 8.8, 10.5, 10.7, 10.8, 11.0, 11.0, 11.1, 11~
  $ Height <dbl> 70, 65, 63, 72, 81, 83, 66, 75, 80, 75, 79, 76, 76, 6~
  $ Volume <dbl> 10.3, 10.3, 10.2, 16.4, 18.8, 19.7, 15.6, 18.2, 22.6,~
Code
  cyl <- unique(mtcars$cyl)
  data <- unname(split(mtcars, mtcars$cyl))
  nested_mtcars_df <- tibble::tibble(cyl, data)
  glimpse(nested_mtcars_df, width = 70L)
Output
  Rows: 3
  Columns: 2
  $ cyl  <dbl> 6, 4, 8
  $ data <list> [<data.frame[11 x 11]>], [<data.frame[7 x 11]>], [<data~
Code
  data <- map(data, as_tbl)
  nested_mtcars_tbl <- tibble::tibble(cyl, data)
  glimpse(nested_mtcars_tbl, width = 70L)
Output
  Rows: 3
  Columns: 2
  $ cyl  <dbl> 6, 4, 8
  $ data <list> [<tbl[11 x 11]>], [<tbl[7 x 11]>], [<tbl[14 x 11]>]