makemissing {lava} | R Documentation |
Generates missing entries in data.frame/matrix
makemissing(data, p = 0.2, cols = seq_len(ncol(data)), rowwise = FALSE, nafun = function(x) x)
data |
data.frame |
p |
Fraction of missing data in each column |
cols |
Which columns (name or index) to alter |
rowwise |
Should missing occur row-wise (either none or all selected columns are missing) |
nafun |
(Optional) function to be applied on data.frame before return (e.g. |
data.frame
Klaus K. Holst