Last Observation Carried Forward

This a function to handle missing values in a dataframe column. It fills empty/missing rows values with the immediate available previous value.

LOCF(x)

Arguments

x	data series/vector with missing values to fill (vector)

Value

returns the same data series with missing values filled in with the preceding value

Examples

LOCF(c(1, 2, NA, 5, NA, 9, 10))
#>      [,1]
#> [1,]    1
#> [2,]    2
#> [3,]    2
#> [4,]    5
#> [5,]    5
#> [6,]    9
#> [7,]   10