landmap (version 0.0.13)

TT2tri: Soil texture class to texture fractions conversion

Description

Soil texture class to texture fractions conversion

Usage

TT2tri(
  TT.class,
  se.fit = TRUE,
  TT.im = NULL,
  soil.var = "TEXMHT",
  levs = c("S", "LS", "SL", "SCL", "SiL", "SiCL", "CL", "L", "Si", "SC", "SiC", "C",
    "HC")
)

Arguments

TT.class

based on the soiltexture package

se.fit

derive errors

TT.im

soil texture triangle image

soil.var

column name in the TT.im file

levs

texture class legends (USDA system)

Value

Data frame with estimated sand, silt and clay values

Examples

# NOT RUN {
library("plyr")
## convert textures by hand to sand, silt and clay:
TEXMHT <- c("CL","C","SiL","SiL","missing")
x <- TT2tri(TEXMHT)
x
# }