Fill in missing values with previous or next value
Fills missing values in selected columns using the next or previous entry.
fill(.data, ..., direction = "down") shift_fill(x, direction = "down")
.data |
A data.table |
... |
A selection of columns. |
direction |
Direction in which to fill missing values. Currently either "down" (the default), "up". |
x |
A vector. |
fill is filling data.table's columns,
shift_fill is filling any vectors.
A filled data.table
df <- data.table(Month = 1:12, Year = c(2000, rep(NA, 10),2001)) df df %>% fill(Year) df <- data.table(Month = 1:12, Year = c(2000, rep(NA, 10),2001)) df %>% fill(Year,direction = "up")
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