complete.cases
Find Complete Cases
Return a logical vector indicating which cases are complete, i.e., have no missing values.
Usage
complete.cases(...)
Arguments
 ...
 a sequence of vectors, matrices and data frames.
Value

A logical vector specifying which observations/rows have no missing
values across the entire sequence.
Note
A current limitation of this function is that it uses low level
functions to determine lengths and missingness, ignoring the
class. This will lead to spurious errors when some columns
have classes with length
or is.na
methods, for example "POSIXlt"
, as described
in \Sexpr[results=rd]{tools:::Rd_expr_PR(#1)}16648PR#16648
.
See Also
Examples
library(stats)
x < airquality[, 1] # x is a regression design matrix
y < airquality[, 1] # y is the corresponding response
stopifnot(complete.cases(y) != is.na(y))
ok < complete.cases(x, y)
sum(!ok) # how many are not "ok" ?
x < x[ok,]
y < y[ok]
Community examples
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