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.
May be used for parameter ('sanity') checking in other user front-end functions.
checkVectLength(
x,
expeL = 1,
stopOnProblem = FALSE,
silent = FALSE,
debug = 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 |
debug |
(logical) display additional messages for debugging |
callFrom |
(character) allow easier tracking of message(s) produced |
This function returns NULL
; it produces either error-message if length is not OK or optional message if length is OK
aa <- 1:5; checkVectLength(aa,exp=3)
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