NEWS.md

In fio: Friendly Input-Output Analysis

fio 0.1.6

🐞 Bug fixes

• Fix R-devel (4.5) issues (#119).
• Remove CARGO_LINKER environment variable to use the correct linker for Windows (#123).
• Fix makevars.in and makevars.win.in to avoid race condition when building package in parallel make (#127).

💥 Breaking changes

• Removed threads slot from iom object (#95).
• Raise minimum supported Rust version to 1.77 due to pulp crate (faer dependency) (#127).

🛠️ Other improvements

• Fix homebrew installation instructions in README and tools/msrv.r (#105).
• Translate br_2020 dataset to English (#113).
• Fedora 36, 37, 38 and 39 from test workflow, since CRAN runners were updated to Fedora 40 (#126).

fio 0.1.2

🛠️ Other improvements

• Fixes system checks scripts to correctly handle errors when Rust and Cargo are not found.

fio 0.1.1

🛠️ Other improvements

• Update extraction.rsand multipliers.rs in order to lower minimum supported Rust version from 1.71 to 1.67.
• Set minimum version of rustc >= 1.67.1 in SystemRequirements.
• Add system checks to rustc and prompt users either install, if missing, or update when version is lower than specified in DESCRIPTION.

fio 0.1.0

✨ Enhancements

• New import_element() to programmatically import data from an Excel file
• New data import addin makes easy to import data from clipboard or an Excel file
• New iom uses the efficiency of R6 classes
• New add and remove methods to add and remove elements from an iom object
• New br_2020 dataset with a 51 sector Brazilian input-output table for 2020
• New compute_tech_coeff() and compute_leontief_inverse() methods uses the power of Rust and faer crate to substantially increase performance
• New compute_multiplier_*() methods to compute multipliers from a given input-output table:
• compute_multiplier_output() for the output multiplier
• compute_multiplier_employment() for the employment multiplier
• compute_multiplier_wages() for the wages multiplier
• compute_multiplier_taxes() for the taxes multiplier
• New compute_influence_field() method to compute the field of influence of each sector
• New compute_key_sectors() method to compute the key sectors of an input-output table, based on power of dispersion and sensitivity of dispersion, and their coefficients of variations
• New compute_allocation_coeff() method to compute the allocation coefficients of an input-output table
• New compute_ghosh_inverse() method to compute the Ghosh inverse of an input-output table
• New compute_hypothetical_extraction() method to compute impact on demand, supply and both structures after hypothetical extraction of a sector
• New set_max_threads() method to allow the user to control number of threads used by {fio} (required by CRAN).

🚀 Performance improvements

• Use Rust instead of base R for compute_*() functions
• Use faer crate instead of nalgebra for faster linear algebra calculations
• Use R6 classes for a clean, object state-changes, memory-efficient object-oriented programming

🛠️ Other improvements

• Added assertions to check if elements imported into slots are matrices at initialization of iom object and at add() method
• Added assertions to check matrices dimensions at initialization of iom object and at add() method
• More informative warnings and errors messages with {cli} package
• Added assertions to check if number format of slots is double at initialization of iom object and at add() method
• Fix build configuration to comply with CRAN policies

fio documentation built on April 11, 2025, 6:11 p.m.