Package index
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Angles() - Compute angles between lines or planes
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Barton_Choubey()Barton_Choubey_plot() - Barton-Choubey criterion
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CIPW() - CIPW Norm
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CPTu_data - Example data for calculation of T2-statistic
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CartToSphD() - Convert Cartesian to spherical coordinates (degrees)
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Casagrande_LL() - Casagrande (flow curve) liquid limit test
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Casagrande_chart() - Casagrande plasticity chart (LL vs PI)
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CoDA_2Group_H1()CoDA_2Group_H2()CoDA_2Group_H3()CoDA_2Group_All() - CoDA Two Group Hypotheses
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CoDA_Atyp_Idx() - CoDA Atypicality Index
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CoDA_Univariate() - CoDA Univariate Statistics
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DPM_data - Example data for calculation of RI coefficient or T-statistic
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Dsize() - Interpolate a characteristic diameter from a grain-size distribution
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Gini() - Gini index for a given split of a categorical variable
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GreatCircleD() - Compute a great-circle path for a stereonet (degrees)
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Hoek_Brown()Hoek_Brown_plot() - Hoek-Brown criterion
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Klimmeridge - Klimmeridge shale organic matter content
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Mohr_Circle() - Mohr circle solution and plot
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NewStats_2samples() - New Statistics two samples (idependent & dependent)
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NewStats_contrasts() - New Statistics contrasts
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Pole() - Convert between a plane and its pole
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Q_93() - Q system (1993)
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RI() - Intraclass Correlation Coefficient for layer boundary determination
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R_crit() - Mean resultant length critical value
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Rotate() - Rotate a line about an axis
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SmallCircleD() - Compute a small-circle path for a stereonet (degrees)
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Spearman_crit() - Spearman critical value
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SphToCartD() - Convert spherical to Cartesian coordinates (degrees)
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StCoordLineD() - Compute stereonet coordinates for a line (degrees)
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StPointD() - Compute equal-area stereonet coordinates from azimuth and inclination (degrees)
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T2_stat() - Hotelling T2-statistic for layer boundary determination
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TAS() - TAS Diagram
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T_stat() - T-statistic for layer boundary determination
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UCS() - Uniaxial Compressive Strength (UCS)
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USCS() - Classify a soil using the Unified Soil Classification System (USCS)
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USCS.coarse.symbol() - Determine the USCS symbol for coarse-grained soils
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USCS.fine.symbol() - Determine the USCS symbol for fine-grained soils
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additional_pks() - Additional useful packages
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bearing_capacity() - Bearing capacity
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carolina - Data for directional examples
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chaprich.fun()SSchaprich()DRCchaprich() - Chapman-Richards Growth Model
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clay_activity() - Clay activity chart
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compaction_test() - Proctor Compaction Test Analysis
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ci_chisq()ci_F()ci_t()ci_t2()ci_z()ci_z2() - Confidence interval from point estimate
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cp_aic_eta() - Changepoint analysis of different layer models
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cp_layers() - Plots a layered model and summarizes the statistics for each layer from a Changepoint result
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d2s() - Conversion from dip directions to strike
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degs() - Degrees
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dichotomy() - Splits a vector into two classes
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dir_2sample_test_circ() - Directional statistics two-sample test (2D)
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dir_aov_spher_ax() - Test for common axis direction (axial)
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dir_aov_spher_vec() - Test for common mean direction (vectorial)
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dir_stats_circ() - Circular (directional) descriptive statistics
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dir_stats_spher() - Spherical (3-D directional) descriptive statistics
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DS_plot()DS_Mohr_plot() - Draws the results for a direct shear test
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entropy() - Entropy for a given split of a categorical variable
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exp3.fun()SSexp3()DRCexp3() - Exponential Model with Inverse Predictor (Type 3)
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expneg.fun()SSexpneg()DRCexpneg() - Negative Exponential Model
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expneg2.fun()SSexpneg2()DRCexpneg2() - Two-Asymptote Exponential Model
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fallcone_limits() - Fall cone liquid limit and plastic limit test
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ggstereo() - Create a stereographic projection base plot
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grainSize.coefs() - Compute uniformity and curvature coefficients from a grain-size distribution
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induced_stress() - Induced stress on a surface
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insitu_stress() - In-situ vertical stress profile
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invpoly1.fun()SSinvpoly1()DRCinvpoly1() - First-Order Inverse Polynomial Model
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invpoly2.fun()SSinvpoly2()DRCinvpoly2() - Second-Order Inverse Polynomial Model
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invpoly3.fun()SSinvpoly3()DRCinvpoly3() - Third-Order Inverse Polynomial Model
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kostmod.fun()SSkostmod()DRCkostmod() - Modified Kostiakov Infiltration Model
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layers_window() - Plots a layered model and summarizes the statistics for each layer
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mcp() - Multiple change-point analysis for layer boundary determination
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moving_avg_filter() - Moving average filter
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moving_filter_plot_f() - Moving (weighted) average filter plot (filtered)
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moving_filter_plot_r() - Moving (weighted) average filter plot (residual)
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moving_wt_filter() - Moving weighted average filter
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nautilus - Data for moving average filter
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particle_size_graph() - Particle size distribution graph template
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percentComponents() - Estimate gravel, sand, and fines content
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piper_data_prep() - Piper Data Preparation
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piper_diagram() - Piper diagram
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pval_chisq()pval_F()pval_t()pval_t2()pval_z()pval_corr() - P-value for proposed population parameter
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rads() - Radians
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rose_diag_circ() - Rose diagram for circular (directional) data
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rose_diag_spher() - Rose diagrams for spherical (3-D directional) data
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s2d() - Conversion from strike to dip directions
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sc_bic() - Structural change analysis of different layer models
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sc_layers() - Plots a layered model and summarizes the statistics for each layer from a Strucchange result
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similarity_coef() - Similarity Coefficient
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size.from.sieve() - Get particle size from sieve number
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soil_collapse() - Soil collapse and expansion potential chart
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soil_expansion() - Soil expansion potential chart
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soil_swelling() - Soil swelling potential chart
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ternary_afm() - AFM Ternary Diagram
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ternary_dickinson_qmflt() - QmFLt Ternary Diagram for Provenance Analysis
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ternary_dickinson_qtfl() - QtFL Ternary Diagram for Provenance Analysis
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ternary_fap() - FAP Ternary Diagram for Plutonic and Volcanic Rocks
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ternary_feldspars() - Feldspar Ternary Diagram
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ternary_folk_gsm() - Folk's Ternary Diagram for Clastic Coarse-Grained Rocks
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ternary_folk_qfl() - Folk's Ternary Diagram for Sandstones
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ternary_folk_qfm() - Folk's Ternary Diagram for Sedimentary Rocks
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ternary_folk_smc() - Folk's Ternary Diagram for Clastic Fine-Grained Rocks
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ternary_pyroclastic_size() - Ternary Diagram for Pyroclastic Rocks by Size
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ternary_pyroclastic_type() - Ternary Diagram for Pyroclastic Rocks by Type
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ternary_qap() - QAP Ternary Diagram for Plutonic and Volcanic Rocks
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ternary_qap_g() - QAP Ternary Diagram for Gabbroic Rocks
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ternary_qap_m_hbl() - QAP Ternary Diagram for Mafic Rocks (horneblende)
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ternary_qap_m_ol() - QAP Ternary Diagram for Mafic Rocks (olivine)
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ternary_qap_um() - QAP Ternary Diagram for Ultramafic Rocks
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ternary_qap_um_hbl() - QAP Ternary Diagram for Ultramafic Rocks with Hornblende
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ternary_shepard() - Shepard's Ternary Diagram for Soils
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ternary_usda() - USDA's Ternary Diagram for Soils
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varexp.fun()SSvarexp()DRCvarexp() - Exponential Variogram Model
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vargauss.fun()SSvargauss()DRCvargauss() - Gaussian Variogram Model
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varsph.fun()SSvarsph()DRCvarsph() - Spherical Variogram Model