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CHANGELOG.md

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Changelog

kmedoids 0.5.3 (2024-12-02)

  • no functionality changes
  • bump ndarray version for Python 3.13 / numpy 2.0 support

kmedoids 0.5.2 (2024-09-10)

  • use Clone instead of Copy to better support arbitrary precision
  • resolve some clippy warnings
  • bump ndarray version (no changes)

kmedoids 0.5.1 (2024-03-14)

  • DynMSC: best loss reported incorrectly if best k=2
  • add minimum k parameter
  • bump rayon version (no changes)

kmedoids 0.5.0 (2023-12-10)

  • add DynMSC with automatic cluster number selection
  • move the check for numerical instability out of the loop in all the "faster" variants, as we do no longer do best-first
  • bump rayon to 1.8, no changes
  • bump byteorder to 1.5, no changes, in example only

kmedoids 0.4.3 (2023-04-20)

  • fix bug in silhouette evaluation for k > 2

kmedoids 0.4.2 (2023-03-07)

  • bumped rayon to 1.7, with no changes
  • add CITATION.cff

kmedoids 0.4.1 (2022-09-24)

  • drop a leftover println, remove Display/Debug traits
  • optimize marginally the MSC loss function computation

kmedoids 0.4.0 (2022-09-24)

  • add clustering by optimizing the Silhouette: PAMSIL
  • add medoid silhouette
  • add medoid silhouette clustering: PAMMEDSIL, FastMSC, FasterMSC

kmedoids 0.3.3 (2022-07-06)

  • another bug fix in PAM BUILD, which ignored the first object

kmedoids 0.3.2 (2022-06-25)

  • bug fix in swap where the first k points were ignored instead of the centers (Lars Lenssen)
  • small bug fix in PAM BUILD (noticable for tiny data sets with large k only)
  • return less than k centers in BUILD if the total deviation already is 0 (less than k unique points)
  • documentation improvement and packaging improvements in Python bindings

kmedoids 0.3.1 (2022-04-05)

  • no changes in Rust, only in the Python API

kmedoids 0.3.0 (2022-03-27)

  • reorder branches slightly (Lars Lenssen)
  • no major changes in Rust, only in the Python API

kmedoids 0.2.0 (2022-01-13)

  • API change: allow input and loss types to differ (e.g., u32 input, i64 loss -- loss must be signed)
  • removed safe_add trait -- use a higher precision loss type instead
  • requires specifying the loss data type
  • code modularization and cleanups
  • fix: do not fail for k=1, but return the expected result
  • add: added Silhouette index for evaluation
  • add: rand_fasterpam with shuffled processing order
  • add: par_fasterpam with parallelization using rayon (Lars Lenssen)

kmedoids 0.1.6 (2021-09-02)

  • update reference with published journal version
  • update dependency versions
  • improve some issue with ArrayBase

kmedoids 0.1.5 (2021-01-31)

  • add Alternating algorithm for reference
  • move bench.rs to benches/

kmedoids 0.1.4 (2021-01-31)

  • remove forgotten println in pam reference method

kmedoids 0.1.3 (2021-01-31)

  • improve ndarray adapter to accept views
  • relax version dependencies slightly

kmedoids 0.1.2 (2020-12-24)

  • reordered the returned values by importance to end users
  • add FastPAM1 (slower, but exact same result as PAM)
  • add original PAM (much slower, for reference)
  • PAM BUILD and SWAP independently

kmedoids 0.1.1 (2020-12-23)

  • allow use with different array types (ndarray, lower triangular in a vec)

kmedoids 0.1.0 (2020-12-22)

  • initial port to Rust of the core FasterPAM functionality
  • first Rust program ever, hence there likely is room for improvement