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ascent 0.1.1

CRAN Resubmission Updates

• Expanded ASC-CFD acronym in DESCRIPTION to ‘ASC-CFD’ (Assemblage Shift Characterization - Community Functional Dynamics).
• Added missing \value tag in plot.ascfcd_entities.Rd.
• Refactored random number generation (RNG) in asc_null() to strictly comply with CRAN policies regarding .GlobalEnv and .Random.seed manipulation.

ascent 0.1.0

Initial CRAN release

Core Framework

• asc_paired(): Temporal/paired functional restructuring (Layer 1-3).
• asc_pairwise(): Bidirectional spatial functional divergence across all community pairs.
• asc_baseline(): Absolute functional topology (CWM, FDis, FRic) for isolated communities.
• asc_null(): Hierarchical triad of null models (Structural/Curveball, Quantitative/SAD, Identity/Trait Shuffle).
• asc_transitions(): Species-level Functional Leverage decomposition.
• asc_entities(): Species clustering into discrete functional entities.
• assess_functional_space(): Diagnostic tool for evaluating PCoA quality before analysis.

Architecture

• Centralized internal engines (.build_functional_space(), .calc_core_topology()) shared across all modules.
• S3 class system with print(), summary(), and plot() methods for all output types.
• PCoA quality metric (\(Q = \sum\lambda^+ / \sum|\lambda|\)) with automatic warning when \(Q < 0.80\).

Null Models

• Model A (Structural): Curveball algorithm preserving richness and prevalence.
• Model B (Quantitative): SAD reshuffle with fixed incidence. FRic reported as NA (hull invariant).
• Model C (Identity): Trait shuffle breaking species-trait association.

Validation

• 28 testthat unit tests covering class structure, edge cases, orthogonal scenarios, null model isolation, and leverage additivity.
• 61 functional tests (standalone script) including cross-validation against manual computation.

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.