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DeltaR 0.1.0

New Features

• Initial CRAN release
• Full support for DELTA character list files
• Full support for DELTA item description files
  
• Support for DELTA specifications files
• Rcpp-based C++ integration for high performance
• Comprehensive R interface with data frames and lists
• Search and matching functionality for taxonomic identification

Data Import

• load_delta() - Load DELTA files into R
• Support for both required (chars, items) and optional (specs) files

Data Exploration

• characters_df() - View character definitions as data frame
• items_df() - View item information as data frame
• get_item() - Retrieve complete item data

Search and Analysis

• find_matching_items() - Find items matching character values
• item_matches() - Test if an item matches specific values

Utility Functions

• parse_attribute() - Parse DELTA attribute strings
• strip_comments() - Remove DELTA comments
• delta_char_types() - Get character type constants

Example Data

• Viola (Viola spp.) dataset
• Grass (Poaceae) dataset

Acknowledgements

Based on the tDelta C++ library by Denis Ziegler, part of the Free DELTA project.

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.