Return a logical vector indicating which cases are complete, i.e., have no missing values.

`complete.cases(…)`

…

a sequence of vectors, matrices and data frames.

A logical vector specifying which observations/rows have no missing values across the entire sequence.

# NOT RUN { 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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