Soil Physical Analysis

Basic and model-based soil physical analyses.


            version 3.1
  • Documentation fixes
  • New functions: stressTraffic(), for predicting the applied stress in the soil profile; soilStrength(), for predicting load bearing capacity; llwrPTF() and soilDeformation()
  • Output "LLWR" of llwr() fixed
  • New reference for citation()

            version 3.0
  • Documentation fixes
  • New references for citation()
  • Data skp1994 were updated (now in full)

            version 2.4
  • Documentation fixes
  • New arguments for llwr() and new graphical output
  • Missing legends added to iwc() graphs

            version 2.3
  • Documentation fixes
  • New detailed output for iwc() and new graphical arguments
  • Three new methods for calculating 'mcp' with maxcurv()

            version 2.2
  • Documentation fixes
  • New argument (hos = 0) on iwc() for dealing with salinity effects
  • Boundaries for the argument mcp of sigmaP()

            version 2.1
  • Documentation fixes
  • corretions on the graphic output of iwc()
  • 'mcp' bug fixed on sigmaP()
  • new output for sigmaP(), now with compression and decompression indices
  • print method for sigmaP()
  • new functions: simSigmaP() and plotCIsigmaP()
  • bug fixed on maxcurv()
  • new graphical output for maxcurv()

            version 2.0
  • Documentation fixes
  • new argument (water.model) in the function llwr()
  • new graphic output and print.method for llwr()
  • R-squared for the models fitted in llwr()
  • R-squared for the models fitted in fitsoilwater(), fitsoilwater2(), fitsoilwater3(), fitsoilwater5()
  • new functions: soilwater2(), fitsoilwater2(), soilwater3(), fitsoilwater3(), soilwater4(), fitsoilwater4(), soilwater5(), fitsoilwater5(), soilwater6(), fitsoilwater6(), hydraulicCutOff(), hemc(), iwc()

            version 1.2
  • Documentation fixes
  • function llwr()
  • data set skp1994
  • automatic casagrande method in the function sigmaP()
  • a flow chart in the documentation of sigmaP()

            version 1.1
  • Documentation fixes
  • S3 print method for the classes: criticalmoisture, maxcurv and S.index

            version 1.0
  • First version released on CRAN

Reference manual

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4.1 by Anderson Rodrigo da Silva, 2 months ago

Browse source code at

Authors: Anderson Rodrigo da Silva [aut, cre] , Renato Paiva de Lima [aut]

Documentation:   PDF Manual  

GPL (>= 2) license

Imports utils, stats, graphics, boot, grDevices, datasets, MASS, shiny, shinydashboard, fields

Suggests knitr, rmarkdown, rpanel, tcltk

Suggested by biotools.

See at CRAN