dcast2 | R Documentation |
if value.var is a vector then will combine the right hand side column names with each element of value.var in a merged cast table
dcast2(
data,
formula,
...,
value.var = NULL,
fun.aggregate = function(x) if (length(x) <= 1) x[1] else paste(x, collapse = ","),
sep = "_"
)
Marcin Imielinski
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