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stratigraphr 0.5.0

• stratigraph() supports tidy/long-format data frames where each row represents a single relation (#15)
• Improved validation workflow for stratigraphs
  • Validation now considers redundant relations.
  • strat_is_valid() renamed to strg_is_valid() (#21) and silently returns a logical value.
  • Use strg_validate() to raise an error for invalid stratigraphs or strg_validate(warn = TRUE) to raise a warning.
• Adds print() method for stratigraphs including validations status
• Minimum supported R version is now 4.1
• Removes deprecated c14_* and cal_* functions. These now live in the c14 package.
  • Removes shub1_radiocarbon dataset (also now found in c14)
• Adds dependencies on vctrs and vroom
• Drops dependencies on rcarbon, magrittr, tidyr, Bchron (suggested) and ggplot2 (suggested)
• Downgrades dependencies on tibble, dplyr and readr to suggested

stratigraphr 0.4.0

• strg_prune() implements transitive reduction of stratigraphic graphs (#13)
• strg_locate_cycles() locates cycles in stratigraphic graphs (#3)
• Radiocarbon-related functions (c14_* and cal_*) have been moved to the c14 package. The legacy versions in this package will issue a deprecation warning until the next version, when they will be removed.
• Removes fs dependency – replaced with base R functions (#16)
• Removes tidyselect dependency
• ggplot2 and ggraph moved to suggested dependencies

stratigraphr 0.3.0

• Expanded framework for tidy radiocarbon analysis, adding:
  • New S3 object cal, a generic representation of calibrated probability distributions
  • Methods for printing and summarising cal objects
  • Type conversion functions for cal objects (as_cal.CalDates(), as_cal.oxcAARCalibratedDatesList() and as_cal.BchronCalibratedDates())
  • New vignette("tidy_radiocarbon")
• Breaking change: cal() and sum() renamed c14_calibrate and c14_sum and now return cal objects.
• Breaking changes to stratigraph interface:
  • Renamed functions: harris() → strat_connect(), is_valid_harris() → strat_is_valid()
  • Removed the notion of a “type” of stratigraph().
  • stratigraph() will now return a graph even if it is not stratigraphically valid.
  • Renamed vignette("harris") → vignette("stratigraph")
• Expanded the stratigraph interface, adding:
  • Utility functions for validating stratigraphies: strat_is_mirror()
• Fixed read_lst() when reading Stratify ‘extended’ LST files
• Added a NEWS.md file to track changes to the package.

stratigraphr 0.2.0

Initial alpha release, including:

• Functions for constructing stratigraphic graphs
• Simple tidy wrappers for the rcarbon package
• Partial CQL interface

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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