Created
September 2, 2021 19:02
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base R way to carry forward data
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| carryforward <- function(x, blank = is.na) { | |
| # SOURCE: https://stackoverflow.com/a/32536507/3987905 | |
| # Find the values | |
| if (is.function(blank)) { | |
| isnotblank <- !blank(x) | |
| } else { | |
| isnotblank <- x != blank | |
| } | |
| # Fill down | |
| x[which(isnotblank)][cumsum(isnotblank)] | |
| } | |
| dat <- as.data.frame(lapply(dat, carryforward)) |
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