stCheckFields {SpatioTemporal} | R Documentation |
Test if named fields exist in name(x)
, if not the function
fails with a suitable error message.
stCheckFields(x, what, name = "Object")
x |
Object to test. |
what |
A character vector naming that should occur in |
name |
Character string to be pasted into the error message describing
|
Nothing
Johan Lindstrom
Other object checking utilities: stCheckClass
,
stCheckCovars
, stCheckObs
,
stCheckSTcovars
##load data data(mesa.model) ##names present in dta names(mesa.model$locations) ##check for some names stCheckFields(mesa.model$locations, c("ID","x","lat")) ##check for non-existant names try( stCheckFields(mesa.model$locations, c("ID","x","test")) )