complete.cases {stats} | R Documentation |
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.
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]