Set the data in a column accessed by name spc$name. Column names other than profile ID are not shared between site and horizons.

When using $<-, the length of input and output matching either the number of sites or number of horizons is used to determine which slot new columns are assigned to. Use site(x)$name <- value or horizons(x)$name <- value to be explicit about which slot is being accessed.

# S4 method for SoilProfileCollection
$(x, name) <- value



a SoilProfileCollection


a single column name in site or horizon table


Replacement values: unit length or equal to number of horizons or sites.