complete.cases {stats}

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

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]

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