Estimation and Prediction of Parameters of Various Soil Hydraulic Property Models


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Documentation for package ‘spsh’ version 1.0.4

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spsh-package Soil Physics and Soil Hydrology (spsh) Package with Options for Parameter Estimation
gofFun Goodness-of-fit and Information Criteria for the Parameter Estimation
inipopFun Generates an Initial Population of Transformed Soil Hydraulic Property Model Parameters
KvapFun Calculates the Isothermal Water Vapour Conductivity.
logLikFun.norm Calculation of the Log-likelihood assuming Identially, independenzly and Normally Distributed errors
numMualem Function to Numerically Compute the Mualem Integral
ptf.cW Corrected Weynants et al. (2009) Pedotransfer Function
ptf.vG2FM Parameter Tranfer Function for Weber et al. (2019) model
resFun Calculation of the Objective Function Value
shpdata1 Measured soil hydraulic property data
shypEstFun Wrapper function for the Estimation of Soil Hydrologic Property Model Parameters
shypFun Wrapper Function for all Supported Soil Hydraulic Property Models.
shypFun.01110 van Genuchten-Mualem Function
shypFun.01210 Durner Model (bimodal van Genuchten Mualem)
shypFun.01310 Durner Model (trimodal van Genuchten Mualem) Function
shypFun.02110 Kosugi-Mualem Model (2 Parameter Model)
shypFun.03110 Unimodal Fredlund-Xing Model
sncFun Non-capillary Saturation Function
spsh Soil Physics and Soil Hydrology (spsh) Package with Options for Parameter Estimation
transBoundFun Creates Parameter Transformation and Backtransformation Rules for the Estimation Procedure
transFun Parameter Transformation and Backtransformation
weightFun Specification of Weights for the Data Groups Retention Data and Conductivity Data.