| complete.cases {base} | R Documentation |
Find Complete Cases
Description
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.
See Also
is.na,
na.omit,
na.fail.
Examples
data(airquality)
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]