Title: Manipulation of (Large) Memory-Mapped Objects (Vectors, Matrices
and Arrays)
Description: Manipulate data through memory-mapped files, as vectors, matrices or arrays.
Basic arithmetic functions are implemented, but currently no matrix arithmetic.
Can write and read descriptor files for compatibility with the 'bigmemory' package.
Author: Herve Perdry [aut, cre],
Juliette Meyniel [aut]
Maintainer: Herve Perdry <herve.perdry@universite-paris-saclay.fr>
Diff between houba versions 0.1.1 dated 2026-02-20 and 0.1.2 dated 2026-06-27
houba-0.1.1/houba/R/method-subsetting.r |only houba-0.1.1/houba/man/length-mvector-method.Rd |only houba-0.1.2/houba/DESCRIPTION | 10 - houba-0.1.2/houba/MD5 | 96 ++++++----- houba-0.1.2/houba/NAMESPACE | 4 houba-0.1.2/houba/NEWS.md |only houba-0.1.2/houba/R/class-0-union.r |only houba-0.1.2/houba/R/class-marray.r | 4 houba-0.1.2/houba/R/class-mmatrix.r | 4 houba-0.1.2/houba/R/class-mvector.r | 14 - houba-0.1.2/houba/R/class-union.r | 1 houba-0.1.2/houba/R/dimnames_check.r |only houba-0.1.2/houba/R/dimnames_extract.r |only houba-0.1.2/houba/R/dput2string.r |only houba-0.1.2/houba/R/drop_dimensions.r |only houba-0.1.2/houba/R/inplace.r | 8 houba-0.1.2/houba/R/marray.r | 6 houba-0.1.2/houba/R/method-as-marray.r | 2 houba-0.1.2/houba/R/method-as-mmatrix.r | 2 houba-0.1.2/houba/R/method-as-mvector.r | 2 houba-0.1.2/houba/R/method-descriptor.file.r | 6 houba-0.1.2/houba/R/method-dim.r | 10 - houba-0.1.2/houba/R/method-length.r |only houba-0.1.2/houba/R/method-marray-arithmetic.r | 14 - houba-0.1.2/houba/R/method-marray-as.array-as.vector.r | 4 houba-0.1.2/houba/R/method-marray-dimnames.r |only houba-0.1.2/houba/R/method-marray-replace.r | 32 ++- houba-0.1.2/houba/R/method-marray-subsetting.r | 36 ++-- houba-0.1.2/houba/R/method-mmatrix-as.matrix-as.vector.r | 4 houba-0.1.2/houba/R/method-mmatrix-dimnames.r |only houba-0.1.2/houba/R/method-mmatrix-replace.r | 46 ++++- houba-0.1.2/houba/R/method-mmatrix-subsetting.r |only houba-0.1.2/houba/R/method-mvector-as.vector.r | 4 houba-0.1.2/houba/R/method-mvector-names.r |only houba-0.1.2/houba/R/method-mvector-replace.r | 19 +- houba-0.1.2/houba/R/method-mvector-subsetting.r |only houba-0.1.2/houba/R/mk.array.descriptor.file.r | 3 houba-0.1.2/houba/R/mk.descriptor.file.r | 15 + houba-0.1.2/houba/R/mmatrix.r | 6 houba-0.1.2/houba/R/mvector.r | 6 houba-0.1.2/houba/R/names_check.r |only houba-0.1.2/houba/R/names_extract.r |only houba-0.1.2/houba/R/read.descriptor.r | 13 + houba-0.1.2/houba/inst/doc/houba.Rmd | 2 houba-0.1.2/houba/inst/doc/houba.html | 121 +++++++-------- houba-0.1.2/houba/inst/include/houba/MMatrix-class.h | 1 houba-0.1.2/houba/man/dimnames-mmap.Rd |only houba-0.1.2/houba/man/extract.Rd | 103 ++++++------ houba-0.1.2/houba/man/inplace.Rd | 16 - houba-0.1.2/houba/man/length-mmap.Rd |only houba-0.1.2/houba/man/marray-class.Rd | 2 houba-0.1.2/houba/man/marray.Rd | 15 + houba-0.1.2/houba/man/mmatrix-class.Rd | 2 houba-0.1.2/houba/man/mvector-class.Rd | 2 houba-0.1.2/houba/tests/create.r | 26 --- houba-0.1.2/houba/tests/descriptor.r |only houba-0.1.2/houba/tests/dimnames.r |only houba-0.1.2/houba/tests/extract-replace.r | 57 +++++++ houba-0.1.2/houba/vignettes/houba.Rmd | 2 59 files changed, 435 insertions(+), 285 deletions(-)
Title: Viewscape Analysis
Description: Provides tools for viewscape analysis from one or multiple viewpoints
using a digital surface or elevation model. Core functionality includes computing
viewsheds, quantifying visual magnitude, calculating a suite of viewscape
configuration metrics (extent, depth, relief, Sky View Factor, skyline variation,
and patch-based landscape structure), Shannon Diversity Index and land cover feature
proportions within the visible area, pairwise intervisibility networks, panoramic
view generation, and visualizing results as rasters or polygons. Viewscape
configuration metrics follow the methods of Tabrizian et al. (2020)
<doi:10.1016/j.landurbplan.2019.103704>. The viewshed algorithm is based on
Franklin & Ray (1994) <https://api.semanticscholar.org/CorpusID:10680920>
and Wang et al. (2000) <https://api.semanticscholar.org/CorpusID:131687018>.
Visual magnitude is derived from Chamberlain & Meitner (2013)
<doi:10.1016/j.landurbplan.2013.01.003>.
Sky View Factor is c [...truncated...]
Author: Xiaohao Yang [aut, cre, cph],
Nathan Fox [aut],
Derek Van Berkel [aut],
Mark Lindquist [aut]
Maintainer: Xiaohao Yang <xiaohaoy111@gmail.com>
Diff between viewscape versions 2.0.2 dated 2024-12-19 and 3.0.0 dated 2026-06-27
DESCRIPTION | 42 ++- MD5 | 54 ++-- NAMESPACE | 21 + R/RcppExports.R | 28 ++ R/calculate_diversity.R | 8 R/calculate_feature.R | 32 +- R/calculate_viewmetrics.R | 93 ++++++-- R/compute_viewshed.R | 70 +++--- R/intervis_network.R |only R/pano_view.R |only R/sector_mask.R | 32 +- R/utils.R | 19 + R/visual_magnitude.R | 16 - R/visualize_viewshed.R | 34 ++- build/vignette.rds |binary inst/doc/viewscape.R | 346 +++++++++++++++++++++--------- inst/doc/viewscape.Rmd | 257 ++++++++++++++++++++-- inst/doc/viewscape.html | 370 +++++++++++++++++++++++++-------- man/calculate_viewmetrics.Rd | 10 man/compute_viewshed.Rd | 33 -- man/fov_mask.Rd | 27 +- man/intervis_network.Rd |only man/pano_view.Rd |only man/visual_magnitude.Rd | 4 src/RcppExports.cpp | 161 +++++++++++++- src/VM.cpp | 88 +++---- src/dsm_to_pano.cpp |only src/sectorMask.cpp | 72 +----- src/view_tree.cpp |only tests/testthat/test-intervis_network.R |only tests/testthat/test-pano_view.R |only vignettes/viewscape.Rmd | 257 ++++++++++++++++++++-- 32 files changed, 1540 insertions(+), 534 deletions(-)
Title: Generates and Samples Realistic Terrestrial Atmospheres
Description: Generates physically based sky environment maps and radiance
samples using the spectral Hosek-Wilkie and Prague atmosphere models.
Functions write high-dynamic-range 'OpenEXR' domes in latitude-longitude
projections, compute per-direction RGB or 55-channel values, and optionally
composite time-accurate star fields and moon phases. Features include
automatic sun and moon positioning from date, time and location, support for
sea-level and high-altitude observers, wide-spectrum coefficients, and
multithreaded C++ acceleration for fast, high-resolution output. For model
details, see Hosek and Wilkie (2012)
<doi:10.1145/2185520.2185591>, Hosek and Wilkie (2013)
<doi:10.1109/MCG.2013.18>, Wilkie et al. (2021)
<doi:10.1145/3450626.3459758>, and Vevoda et al. (2022)
<doi:10.1111/cgf.14677>.
Author: Tyler Morgan-Wall [aut, cre, cph],
Petr Vevoda [ctb],
Charles University [cph],
Eric Bruneton [ctb, cph],
Lukas Hosek [ctb, cph],
Alexander Wilkie [ctb, cph]
Maintainer: Tyler Morgan-Wall <tylermw@gmail.com>
Diff between skymodelr versions 0.3.1 dated 2026-06-26 and 0.3.2 dated 2026-06-27
DESCRIPTION | 6 +++--- MD5 | 4 ++-- src/PragueSkyModel/PragueSkyModel.h | 4 +++- 3 files changed, 8 insertions(+), 6 deletions(-)
Title: Interactive Processing and Segmentation of Forest TLS
Point-Cloud Data
Description: Tools for the processing, segmentation, and analysis of terrestrial laser
scanning (TLS and MLS) forest point-cloud data. The package provides fast
voxel-based processing, classification of point clouds into forest
floor, understory, canopy, and woody components, and algorithms for
single-tree analysis and structural characterization. Methods are designed
to handle large and dense point-cloud datasets efficiently, supporting
applications in forest structure assessment, connectivity analysis, and
fire-risk evaluation. Input data are provided as '.xyz', '.txt', '.las', or '.laz' point-cloud files.
For methodological details, see Ferrara and Arrizza (2025)
<https://hdl.handle.net/20.500.14243/533471> and Ferrara et al. (2018)
<doi:10.1016/j.agrformet.2018.04.008>.
Author: Roberto Ferrara [aut, cre] ,
Stefano Arrizza [ctb]
Maintainer: Roberto Ferrara <roberto.ferrara@cnr.it>
Diff between PiC versions 1.2.7 dated 2025-11-07 and 3.3 dated 2026-06-27
PiC-1.2.7/PiC/R/Floseg.R |only PiC-1.2.7/PiC/R/Forest_seg.R |only PiC-1.2.7/PiC/R/SegOne_v4_1_2.R |only PiC-1.2.7/PiC/R/globals.R |only PiC-1.2.7/PiC/R/utils-io.R |only PiC-1.2.7/PiC/inst/shinyapp/global.r |only PiC-1.2.7/PiC/inst/shinyapp/server.r |only PiC-1.2.7/PiC/inst/shinyapp/www/logo_ibe.jpg |only PiC-1.2.7/PiC/inst/shinyapp/www/logo_pic.jpg |only PiC-1.2.7/PiC/man/Calculate_trees_metrics.Rd |only PiC-1.2.7/PiC/man/analyze_forest_canopy.Rd |only PiC-1.2.7/PiC/man/calculate_coverage_degree.Rd |only PiC-1.2.7/PiC/man/calculate_crown_base_heights.Rd |only PiC-1.2.7/PiC/man/calculate_dbh.Rd |only PiC-1.2.7/PiC/man/calculate_vertical_profile.Rd |only PiC-1.2.7/PiC/man/extract_forest_floor.Rd |only PiC-1.2.7/PiC/man/filter_trees_by_point_count.Rd |only PiC-1.2.7/PiC/man/segment_wood.Rd |only PiC-1.2.7/PiC/man/separate_foliage.Rd |only PiC-3.3/PiC/DESCRIPTION | 66 - PiC-3.3/PiC/MD5 | 73 - PiC-3.3/PiC/NAMESPACE | 38 PiC-3.3/PiC/NEWS.md | 133 +- PiC-3.3/PiC/R/Floseg_v3.R |only PiC-3.3/PiC/R/Forest_seg_v3_3_9.r |only PiC-3.3/PiC/R/PiC-package.R | 12 PiC-3.3/PiC/R/Run_app.R | 47 - PiC-3.3/PiC/R/SegOne_v4_1_4.R |only PiC-3.3/PiC/R/Voxels.R | 326 +++++-- PiC-3.3/PiC/R/globals.r |only PiC-3.3/PiC/R/metrics_from_las.R |only PiC-3.3/PiC/R/pic_analyze_cloud.R |only PiC-3.3/PiC/R/shared_utils.R |only PiC-3.3/PiC/R/voxel_utils.R |only PiC-3.3/PiC/README.md | 902 +++++++++++++++----- PiC-3.3/PiC/build/partial.rdb |binary PiC-3.3/PiC/inst/WORDLIST |only PiC-3.3/PiC/inst/shinyapp/global.R |only PiC-3.3/PiC/inst/shinyapp/server.R |only PiC-3.3/PiC/inst/shinyapp/ui.r | 261 +++++ PiC-3.3/PiC/inst/shinyapp/www/logo_ibe.png |only PiC-3.3/PiC/inst/shinyapp/www/logo_pic.png |only PiC-3.3/PiC/man/Floseg.Rd | 41 PiC-3.3/PiC/man/Forest_seg.Rd | 144 ++- PiC-3.3/PiC/man/PiC-package.Rd | 6 PiC-3.3/PiC/man/SegOne.Rd | 30 PiC-3.3/PiC/man/Voxels.Rd | 105 +- PiC-3.3/PiC/man/metrics_from_las.Rd |only PiC-3.3/PiC/man/pic_analyze_cloud.Rd |only PiC-3.3/PiC/man/run_PiC.Rd | 10 PiC-3.3/PiC/tests/testthat/test-Floseg.R | 43 PiC-3.3/PiC/tests/testthat/test-Forest_seg.R | 96 +- PiC-3.3/PiC/tests/testthat/test-SegOne.R | 35 PiC-3.3/PiC/tests/testthat/test-pic_analyze_cloud.R |only PiC-3.3/PiC/tests/testthat/test-voxel.R | 47 - 55 files changed, 1840 insertions(+), 575 deletions(-)
Title: Vectorised Probability Distributions
Description: Vectorised distribution objects with tools for manipulating,
visualising, and using probability distributions. Designed to allow model
prediction outputs to return distributions rather than their parameters,
allowing users to directly interact with predictive distributions in a
data-oriented workflow. In addition to providing generic replacements for
p/d/q/r functions, other useful statistics can be computed including means,
variances, intervals, and highest density regions.
Author: Mitchell O'Hara-Wild [aut, cre] ,
Matthew Kay [aut] ,
Alex Hayes [aut] ,
Rob Hyndman [aut] ,
Earo Wang [ctb] ,
Vencislav Popov [ctb]
Maintainer: Mitchell O'Hara-Wild <mail@mitchelloharawild.com>
Diff between distributional versions 0.8.0 dated 2026-06-23 and 0.8.1 dated 2026-06-27
DESCRIPTION | 6 +++--- MD5 | 11 ++++++----- NAMESPACE | 1 - NEWS.md | 7 +++++++ R/default.R | 1 - R/zzz.R |only tests/testthat/test-dist-convolved.R | 6 ++++++ 7 files changed, 22 insertions(+), 10 deletions(-)
More information about distributional at CRAN
Permanent link
Title: Hierarchical Neyman-Pearson Classification for Ordered Classes
Description: The Hierarchical Neyman-Pearson (H-NP) classification framework
extends the Neyman-Pearson classification paradigm to multi-class settings
where classes have a natural priority ordering. This is particularly useful
for classification in unbalanced dataset, for example, disease severity
classification, where under-classification errors (misclassifying patients
into less severe categories) are more consequential than other
misclassifications. The package implements H-NP umbrella algorithms that
controls under-classification errors under user specified control levels
with high probability. It supports the creation of H-NP classifiers using
scoring functions based on built-in classification methods (including
logistic regression, support vector machines, and random forests), as well
as user-trained scoring functions.
Author: Che Shen [aut, cre] ,
Lujia Yang [aut] ,
Lijia Wang [aut] ,
Shunan Yao [aut]
Maintainer: Che Shen <chshen3-c@my.cityu.edu.hk>
Diff between HNPclassifier versions 0.1.0 dated 2026-02-08 and 0.2.0 dated 2026-06-27
HNPclassifier-0.1.0/HNPclassifier/R/HNPclassifier.r |only HNPclassifier-0.1.0/HNPclassifier/man/base_function.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/hnp_box_plot.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/hnp_delta_search.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/hnp_umbrella_flex.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/hnp_upper_bound.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/probability_to_score_1.Rd |only HNPclassifier-0.1.0/HNPclassifier/man/probability_to_score_2.Rd |only HNPclassifier-0.2.0/HNPclassifier/DESCRIPTION | 11 - HNPclassifier-0.2.0/HNPclassifier/LICENSE | 2 HNPclassifier-0.2.0/HNPclassifier/MD5 | 25 +- HNPclassifier-0.2.0/HNPclassifier/NAMESPACE | 26 ++ HNPclassifier-0.2.0/HNPclassifier/NEWS.md |only HNPclassifier-0.2.0/HNPclassifier/R/hnp_package.r |only HNPclassifier-0.2.0/HNPclassifier/man/generate_ball_data.Rd |only HNPclassifier-0.2.0/HNPclassifier/man/hnp_boxplot.Rd |only HNPclassifier-0.2.0/HNPclassifier/man/hnp_map_classes.Rd | 31 +-- HNPclassifier-0.2.0/HNPclassifier/man/hnp_summary.Rd | 67 ++++--- HNPclassifier-0.2.0/HNPclassifier/man/hnp_umbrella.Rd | 94 +++++++--- HNPclassifier-0.2.0/HNPclassifier/man/train_nn_and_get_scores.Rd |only 20 files changed, 162 insertions(+), 94 deletions(-)