View source: R/checkVectLength.R
checkVectLength | R Documentation |
checkVectLength
checks argument 'x' for expected length 'expeL' and return either message or error when expectation not met.
Used for parameter ('sanity') checking in other user front-end functions.
checkVectLength( x, expeL = 1, stopOnProblem = FALSE, silent = FALSE, callFrom = NULL )
x |
(numeric or charcter vector) input to check length |
expeL |
(numeric) expected length |
stopOnProblem |
(logical) continue on problems with message or stop (as error message) |
silent |
(logical) suppress messages if |
callFrom |
(character) allows easier tracking of message(s) produced |
NULL
(produces only optional message if length is OK or error-message if length is not OK)
aa <- 1:5; checkVectLength(aa,exp=3)
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