Complete case indicator

Source: R/cci.R

The complete case indicator is useful for extracting the subset of complete cases. The function cci(x) calls complete.cases(x). The companion function ici() selects the incomplete cases.

cci(x)

Arguments

x

An R object. Currently supported are methods for the following classes: mids.

Value

Logical vector indicating the complete cases.

See also

complete.cases, ici, cc

Author

Stef van Buuren, 2017.

Examples

cci(nhanes) # indicator for 13 complete cases

#>  [1] FALSE  TRUE FALSE FALSE  TRUE FALSE  TRUE  TRUE  TRUE FALSE FALSE FALSE
#> [13]  TRUE  TRUE FALSE FALSE  TRUE  TRUE  TRUE FALSE FALSE  TRUE  TRUE FALSE
#> [25]  TRUE
cci(mice(nhanes, maxit = 0))

#>  [1] FALSE  TRUE FALSE FALSE  TRUE FALSE  TRUE  TRUE  TRUE FALSE FALSE FALSE
#> [13]  TRUE  TRUE FALSE FALSE  TRUE  TRUE  TRUE FALSE FALSE  TRUE  TRUE FALSE
#> [25]  TRUE
f <- cci(nhanes[, c("bmi", "hyp")]) # complete data for bmi and hyp
nhanes[f, ] # obtain all data from those with complete bmi and hyp

#>    age  bmi hyp chl
#> 2    2 22.7   1 187
#> 5    1 20.4   1 113
#> 7    1 22.5   1 118
#> 8    1 30.1   1 187
#> 9    2 22.0   1 238
#> 13   3 21.7   1 206
#> 14   2 28.7   2 204
#> 15   1 29.6   1  NA
#> 17   3 27.2   2 284
#> 18   2 26.3   2 199
#> 19   1 35.3   1 218
#> 20   3 25.5   2  NA
#> 22   1 33.2   1 229
#> 23   1 27.5   1 131
#> 24   3 24.9   1  NA
#> 25   2 27.4   1 186