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@krlmlr krlmlr released this 04 Jul 00:11
· 3792 commits to main since this release
v1.1
8a26378

Follow-up release.

Breaking changes

  • tibble() is no longer an alias for frame_data() (#82).
  • Remove tbl_df() (#57).
  • $ returns NULL if column not found, without partial matching. A warning is given (#109).
  • [[ returns NULL if column not found (#109).

Output

  • Reworked output: More concise summary (begins with hash # and contains more text (#95)), removed empty line, showing number of hidden rows and columns (#51). The trailing metadata also begins with hash # (#101). Presence of row names is indicated by a star in printed output (#72).
  • Format NA values in character columns as <NA>, like print.data.frame() does (#69).
  • The number of printed extra cols is now an option (#68, @lionel-).
  • Computation of column width properly handles wide (e.g., Chinese) characters, tests still fail on Windows (#100).
  • glimpse() shows nesting structure for lists and uses angle brackets for type (#98).
  • Tibbles with POSIXlt columns can be printed now, the text <POSIXlt> is shown as placeholder to encourage usage of POSIXct (#86).
  • type_sum() shows only topmost class for S3 objects.

Error reporting

  • Strict checking of integer and logical column indexes. For integers, passing a non-integer index or an out-of-bounds index raises an error. For logicals, only vectors of length 1 or ncol are supported. Passing a matrix or an array now raises an error in any case (#83).
  • Warn if setting non-NULL row names (#75).
  • Consistently surround variable names with single quotes in error messages.
  • Use "Unknown column 'x'" as error message if column not found, like base R (#94).
  • stop() and warning() are now always called with call. = FALSE.

Coercion

  • The .Dim attribute is silently stripped from columns that are 1d matrices (#84).
  • Converting a tibble without row names to a regular data frame does not add explicit row names.
  • as_tibble.data.frame() preserves attributes, and uses as_tibble.list() to calling overriden methods which may lead to endless recursion.

New features

  • New has_name() (#102).
  • Prefer tibble() and as_tibble() over data_frame() and as_data_frame() in code and documentation (#82).
  • New is.tibble() and is_tibble() (#79).
  • New enframe() that converts vectors to two-column tibbles (#31, #74).
  • obj_sum() and type_sum() show "tibble" instead of "tbl_df" for tibbles (#82).
  • as_tibble.data.frame() gains validate argument (as in as_tibble.list()), if TRUE the input is validated.
  • Implement as_tibble.default() (#71, tidyverse/dplyr#1752).
  • has_rownames() supports arguments that are not data frames.

Bug fixes

  • Two-dimensional indexing with [[ works (#58, #63).
  • Subsetting with empty index (e.g., x[]) also removes row names.

Documentation

  • Document behavior of as_tibble.tbl_df() for subclasses (#60).
  • Document and test that subsetting removes row names.

Internal

  • Don't rely on knitr internals for testing (#78).
  • Fix compatibility with knitr 1.13 (#76).
  • Enhance knit_print() tests.
  • Provide default implementation for tbl_sum.tbl_sql() and tbl_sum.tbl_grouped_df() to allow dplyr release before a tibble release.
  • Explicit tests for format_v() (#98).
  • Test output for NULL value of tbl_sum().
  • Test subsetting in all variants (#62).
  • Add missing test from dplyr.
  • Use new expect_output_file() from testthat.
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