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aqp
Algorithms for Quantitative Pedology
View on CRAN: Click
here
Download and install aqp package within the R console
Install from CRAN:
install.packages("aqp")
Install from Github:
library("remotes")
install_github("cran/aqp") Install by package version:
library("remotes")
install_version("aqp", "2.3.2") Attach the package and use:
library("aqp")
Maintained by
Dylan Beaudette
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2010-05-09
Latest Update: 2025-02-15
Description:
The Algorithms for Quantitative Pedology (AQP) project was started in 2009 to organize a loosely-related set of concepts and source code on the topic of soil profile visualization, aggregation, and classification into this package (aqp). Over the past 8 years, the project has grown into a suite of related R packages that enhance and simplify the quantitative analysis of soil profile data. Central to the AQP project is a new vocabulary of specialized functions and data structures that can accommodate the inherent complexity of soil profile information; freeing the scientist to focus on ideas rather than boilerplate data processing tasks . These functions and data structures have been extensively tested and documented, applied to projects involving hundreds of thousands of soil profiles, and deeply integrated into widely used tools such as SoilWeb
How to cite:
Dylan Beaudette (2010). aqp: Algorithms for Quantitative Pedology. R package version 2.3.2, https://cran.r-project.org/web/packages/aqp. Accessed 28 Oct. 2026.
Previous versions and publish date:
(2026-10-28 11:50), 0.80 (2010-05-09 18:24), 0.85 (2010-06-20 09:43), 0.88 (2010-07-08 22:01), 0.90 (2010-07-24 22:09), 0.94-1 (2010-08-18 23:06), 0.94 (2010-08-14 18:54), 0.97 (2010-09-24 08:46), 0.98-3 (2010-11-28 07:24), 0.99-1 (2011-02-28 10:29), 0.99-5 (2011-08-19 06:54), 0.99-8.1 (2011-09-22 07:33), 0.99-8.47 (2011-11-23 11:21), 0.99-8.56 (2011-12-19 12:17), 0.99-8 (2011-09-16 22:09), 0.99-9.1 (2012-01-03 09:27), 0.99-9.51 (2012-01-24 18:11), 0.99-9 (2011-12-27 11:06), 1.0 (2012-03-27 17:58), 1.2-5 (2012-06-21 07:40), 1.2-7 (2012-08-27 19:23), 1.3 (2012-10-10 23:27), 1.4 (2012-12-21 08:06), 1.5-2 (2013-04-18 21:19), 1.5-3 (2013-07-14 16:14), 1.5 (2013-02-26 22:10), 1.6 (2013-12-17 07:43), 1.7-7 (2014-11-13 08:06), 1.7 (2014-05-03 00:28), 1.8-6 (2015-04-23 07:33), 1.8 (2015-02-20 23:56), 1.9.2 (2015-12-04 21:43), 1.9.3 (2015-12-19 09:34), 1.9.10 (2016-07-08 19:51), 1.9.14 (2016-11-05 00:43), 1.10 (2017-01-06 01:16), 1.15 (2017-11-12 16:13), 1.16-3 (2018-09-24 22:40), 1.16 (2018-04-12 23:48), 1.17 (2019-10-28 09:13), 1.18.1 (2019-12-06 23:10), 1.18 (2019-11-09 06:30), 1.19 (2020-01-24 19:10), 1.25 (2020-10-20 00:10), 1.27 (2021-01-26 08:40), 1.29 (2021-04-08 00:50), 1.30 (2021-07-27 22:50), 1.31 (2021-08-19 21:10), 1.32 (2021-09-29 09:30), 1.40 (2022-01-05 00:40), 1.41 (2022-02-11 20:00), 1.42 (2022-04-12 01:12), 2.0.1 (2023-09-06 23:32), 2.0.2 (2023-11-28 06:20), 2.0.3 (2024-04-18 20:03), 2.0.4 (2024-07-30 23:50), 2.0 (2023-08-28 20:10), 2.1.0 (2024-10-19 17:00), 2.2-1 (2025-09-17 07:10), 2.2 (2025-02-15 20:30), 2.3.1 (2026-03-20 07:11), 2.3.2 (2026-04-30 07:10), 2.3 (2026-01-17 07:11)
Other packages that cited aqp R package
View aqp citation profile
Other R packages that aqp depends,
imports, suggests or enhances
Complete documentation for aqp
Functions, R codes and Examples using
the aqp R package
Some associated functions: GHL . HzDepthLogicSubset . L1_profiles . NCSP . PMS2Munsell . ROSETTA.centroids . SANN_1D . SPC.with.overlap . SoilProfileCollection-class . SoilProfileCollection-crs . SoilProfileCollection-plotting-methods . SoilTextureLevels . accumulateDepths . addBracket . addDiagnosticBracket . addVolumeFraction . aggregateColor . aggregateSoilDepth . alignTransect . allocate . aqp-package . aqp_df_class . argillic.clay.increase.depth . barron.torrent.redness.LAB . bootstrapSoilTexture . brierScore . buntley.westin.index . ca630 . checkHzDepthLogic . checkSPC . coercion-methods . col2Munsell . colorChart . colorContrast . colorContrastPlot . colorQuantiles . combine-SoilProfileCollection-method . compareSites . compositeSPC . confusionIndex . contrastChart . contrastClass . coordinates . correctAWC . crit.clay.argillic . denormalize . depthOf . depthWeights . depth_units . depths . diagnostic_hz-set . diagnostic_hz . dice-SoilProfileCollection-method . dice . dissolve_hz . dollarsign-set . dollarsign . dot-as.data.frame.aqp . dot-data_dots . doublebracket-set . doublebracket . duplicate . electroStatics_1D . equivalentMunsellChips . equivalent_munsell . estimateAWC . estimatePSCS . estimateSoilColor . estimateSoilDepth . evalGenHZ . evalMissingData . explainPlotSPC . fillHzGaps . findOverlap . fixOverlap . flagOverlappingHz . fragmentClasses . fragmentSieve . genSlabLabels . generalize.hz . genhzTableToAdjMat . get.increase.depths . get.increase.matrix . get.ml.hz . getArgillicBounds . getCambicBounds . getClosestMunsellChip . getLastHorizonID . getSoilDepthClass . getSurfaceHorizonDepth . glom-SoilProfileCollection-method . glom . glomApply . grepSPC . groupSPC . groupedProfilePlot . guessGenHzLevels . guessHzAttrName . harden.melanization . harden.rubification . harmonize-SoilProfileCollection-method . hasDarkColors . horizonColorIndices . horizonDepths . horizonNames . horizons . huePosition . huePositionCircle . hurst.redness . hzDepthTests . hzDesgn . hzDistinctnessCodeToOffset . hzID . hzMetadata . hzOffset . hzTopographyCodeToLineType . hzTopographyCodeToOffset . hzTransitionProbabilities . hzdesgnname . hzidname . hztexclname . idname . initSpatial . invertLabelColor . isEmpty . jacobs2000 . length . lunique . max . metadata . min . missingDataGrid . mixMunsell . mollic.thickness.requirement . munsell . munsell.spectra . munsell2rgb . munsell2spc-SoilProfileCollection-method . munsellHuePosition . mutate_profile . names . nrow . osd . overlapMetrics . panel.depth_function . parseMunsell . pbindlist . pc . perturb . plotColorMixture . plotColorQuantiles . plotMultipleSPC . plot_distance_graph . pms.munsell.lut . previewColors . profileApply . profileGroupLabels . profileInformationIndex . profile_compare . profile_id . proj4string-SoilProfileCollection-method . proj4string-set-SoilProfileCollection-ANY-method . quickSPC . random_profile . reaction . reactionclass . rebuildSPC . reduceSPC . reorderHorizons . repairMissingHzDepths . replaceHorizons . restrictions-set . restrictions . rgb2munsell . rowley2019 . rruff.sample . segment . shannonEntropy . show . sierraTransect . sim . simulateColor . singlebracket . site . siteNames . slab-methods . slab . slice-methods . slice . slicedHSD . soilColorSignature . soilPalette . soil_minerals . soiltexture . sp1 . sp2 . sp3 . sp4 . sp5 . sp6 . spc2mpspline-SoilProfileCollection-method . spc_in_sync . spec2Munsell . spectral.reference . split-SoilProfileCollection-method . splitLogicErrors . subApply . subset-SoilProfileCollection-method . subsetHz-SoilProfileCollection-method . subsetProfiles . summarizeSPC . tauW . texture . textureTriangleSummary . thompson.bell.darkness . traditionalColorNames . transform . trunc-SoilProfileCollection-method . unique . unroll . us.state.soils . validSpatialData . warpHorizons . wilson2022 . xtableTauW .
Some associated R codes: AAAA.R . Class-SoilProfileCollection.R . HzDepthLogicSubset.R . L1_profiles.R . NCSP.R . PMS2Munsell.R . SoilProfileCollection-coercion.R . SoilProfileCollection-integrity.R . SoilProfileCollection-iterators.R . SoilProfileCollection-metadata.R . SoilProfileCollection-methods.R . SoilProfileCollection-operators.R . SoilProfileCollection-setters.R . SoilProfileCollection-slice-methods.R . SoilProfileCollection-spatial.R . accumulateDepths.R . accuracy_uncertainty.R . addBracket.R . addVolumeFraction.R . aggregateColor.R . aggregateSoilDepth.R . alignTransect.R . allocate.R . aqp-label-placement-solvers.R . aqp-package.R . bootstrapSoilTexture.R . checkHzDepthLogic.R . checkSPC.R . col2Munsell.R . colorChart.R . colorContrast.R . colorContrastPlot.R . colorQuantiles.R . combine.R . compareSites.R . compositeSPC.R . contrastChart.R . contrastClass.R . data-documentation.R . datadots.R . denormalize.R . depthOf.R . depthWeights.R . dice.R . duplicate.R . enforce_df_class.R . estimateAWC.R . estimatePSCS.R . estimateSoilColor.R . estimateSoilDepth.R . evalGenHz.R . evalMissingData.R . explainPlotSPC.R . factor-level-setters.R . fillHzGaps.R . findOverlap-fixOverlap.R . flagOverlappingHz.R . fragmentClasses.R . fragmentSieve.R . genSlabLabels.R . generalize.hz.R . get.increase.matrix.R . get.ml.hz.R . getArgillicBounds.R . getCambicBounds.R . getClosestMunsellChip.R . getLastHorizonID.R . getSoilDepthClass.R . getSurfaceHorizonDepth.R . glom.R . glomApply.R . groupSPC.R . group_by.R . groupedProfilePlot.R . guessColumnNames.R . guessGenHzLevels.R . harmonize.R . huePosition.R . huePositionCircle.R . hzBoundary.R . hzOffset.R . hzTransitionProbabilities.R . invertLabelColor.R . lunique.R . missingDataGrid.R . mixMunsell.R . mollicEpipedon.R . mostLikelyHzSequence.R . munsell2rgb.R . mutate_profile.R . panel.depth_function.R . parseMunsell.R . perturb.R . plotColorMixture.R . plotMultipleSPC.R . plotSPC.R . plot_distance_graph.R . prepanel.depth_function.R . previewColors.R . profileInformationIndex.R . profile_compare.R . quickSPC.R . random_profile.R . reaction.R . rebuildSPC.R . reduce.R . repairMissingHzDepths.R . segment.R . sim.R . similarMunsellChips.R . simulateColor.R . sketch-utils.R . slab-utils.R . slab.R . slab2SPC.R . slicedHSD.R . soilColorIndices.R . soilColorSignature.R . soilPalette.R . soiltexture.R . spc2mpspline.R . spec2Munsell.R . split.R . splitLogicErrors.R . summarize.R . tauW.R . texture.R . textureTriangleSummary.R . transform.R . unroll.R . warpHorizons.R . zzz.R . Full aqp package functions and examples
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