Algorithms for Quantitative Pedology

addBracket | Add Depth Brackets |

addVolumeFraction | Symbolize Volume Fraction on a Soil Profile Collection Plot |

aggregateColor | Summarize Soil Colors |

aggregateSoilDepth | Probabalistic Estimation of Soil Depth |

aqp-package | Algorithms for Quantitative Pedology |

argillic.clay.increase.depth | Return upper boundary of argillic horizon |

barron.torrent.redness.LAB | Barron & Torrent (1986) Redness Index in LAB color space |

brierScore | Multinominal Brier score |

buntley.westin.index | Buntley-Westin (1965) Index |

ca630 | Soil Data from the Central Sierra Nevada Region of California |

checkHzDepthLogic | Check a 'SoilProfileCollection' object for errors in horizon... |

checkSPC | Test for a valid SoilProfileCollection |

clod.hz.ids | Return the unique horizon IDs within a "depth-clod" |

colorContrast | Metrics of Contrast Suitable for Comparing Soil Colors |

colorContrastPlot | Color Contrast Plot |

colorQuantiles | Soil Color Range via Quantiles |

compositeSPC | Return a list representation of site and horizon level data |

confusionIndex | Confusion Index |

contrastChart | Color Contrast Chart |

contrastClass | Soil Color Contrast |

crit.clay.argillic | Determines threshold (minimum) clay content for argillic... |

denormalize | Create a (redundant) horizon-level attribute from a... |

depthWeights | Return a vector of contributing fractions over a depth... |

estimatePSCS | Estimate boundaries of the particle size control section (U.S... |

estimateSoilDepth | Estimate Soil Depth |

evalGenHZ | Evaluate Generalized Horizon Labels |

evalMissingData | Evaluate Missing Data |

filter | Subset SPC with logical expressions |

fixOverlap | Attempt to fix overlapping sketches when using relative... |

f.noise | Example Objective Function for Full-Pattern Matching |

generalize.hz | Generalize Horizon Names |

getArgillicBounds | getArgillicBounds |

get.increase.depths | Return the horizon top depths from a call to... |

get.increase.matrix | compute pair-wise distances to determine where an attribute... |

get.ml.hz | Determine ML Horizon Boundaries |

getSoilDepthClass | Generate Soil Depth Class Matrix |

getSurfaceHorizonDepth | Determine thickness of horizons (continuous from surface)... |

glom | Return a "ragged" group of horizons selected from... |

glomApply | Subset an SPC by applying glom to each profile |

grepSPC | Subset SPC with pattern-matching for text-based attributes |

groupedProfilePlot | Grouped Soil Profile Plot |

guessGenHzLevels | Guess Appropriate Ordering for Generalized Horizon Labels |

harden.melanization | Harden (1982) Melanization |

harden.rubification | Harden (1982) Rubification |

horizonColorIndices | Horizon Color Indices |

huePosition | Munsell Hue Position for Soil Color Description |

hurst.redness | Hurst (1977) Redness Index |

hzDepthTests | Tests of horizon depth logic |

hzDistinctnessCodeToOffset | Convert Horizon Distinctness Codes |

hzTransitionProbabilities | Horizon Transition Probabilities |

jacobs2000 | Soil Morphologic Data from Jacobs et al. 2002. |

missingDataGrid | Missing Data Grid |

munsell | Munsell to sRGB Lookup Table for Common Soil Colors |

munsell2rgb | Convert Munsell Notation to and from sRGB color coordinates |

mutate | Transform a SPC with expressions based on site or horizon... |

mutate_profile | Transform a SPC (by profile) with a set of expressions |

panel.depth_function | Lattice Panel Function for Soil Profiles |

plot_distance_graph | Between Individual Distance Plot |

plotMultipleSPC | Plot Multiple SoilProfileCollection Objects |

previewColors | Preview Colors |

profileApply-methods | Apply a function to soil profiles within a... |

profile_compare-methods | Numerical Soil Profile Comparison |

profileGroupLabels | Soil Profile Group Labels |

random_profile | Random Profile |

rebuildSPC | Rebuild a SoilProfileCollection object |

resample.twotheta | Resample an XRD Pattern |

rowley2019 | Soil Morphologic, Geochemical, and Mineralogy Data from... |

rruff.sample | Sample XRD Patterns |

shannonEntropy | Shannon Entropy |

sim | Simulate Soil Profiles |

soilColorSignature | Soil Profile Color Signatures |

soil_minerals | Munsell Colors of Common Soil Minerals |

soilPalette | Sol Color Palette |

SoilProfileCollection-class | SoilProfileCollection Class |

sp1 | Soil Profile Data Example 1 |

sp2 | Honcut Creek Soil Profile Data |

sp3 | Soil Profile Data Example 3 |

sp4 | Soil Chemical Data from Serpentinitic Soils of California |

sp5 | Sample Soil Database #5 |

sp6 | Soil Physical and Chemical Data from Manganiferous Soils |

SPC-plotting | Profile Plot |

SPC-slab-methods | Slab-Wise Aggregation of SoilProfileCollection Objects |

SPC-slice-methods | Slicing of SoilProfilecollection Objects |

SPC-unique-methods | Get Indices to Unique Soil Profiles Within a Collection |

SPC-utils | Getters, Setters, and Utility Methods for... |

subApply | Subset SPC based on result of performing function on each... |

subsetProfiles-methods | Subset SoilProfileCollection Objects. |

summarize | Reduce multiple site or horizon values to a single site value |

tauW | Compute weighted naïve and _tau_ statistics for a... |

texture.triangle.low.rv.high | Soil Texture Low-RV-High as Defined by Quantiles |

thompson.bell.darkness | Thompson-Bell (1996) Index |

union | Combine Multiple SoilProfileCollection Objects |

unroll | Unroll Genetic Horizons |

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