Extract parts of a sparse spam matrix

# S4 method for spam,character,character,logical
[(x, i, j, ..., drop = TRUE)

# S4 method for spam,character,character,missing
[(x, i, j, ..., drop = TRUE)

# S4 method for spam,character,missing,logical
[(x, i, j, ..., drop = TRUE)

# S4 method for spam,character,missing,missing
[(x, i, j, ..., drop = TRUE)

# S4 method for spam,missing,character,logical
[(x, i, j, ..., drop = TRUE)

# S4 method for spam,missing,character,missing
[(x, i, j, ..., drop = TRUE)

Arguments

x

object to extract from.

i

row identifiers.

j

column identifiers.

...

additional arguments.

drop

logical indicating that dimensions should be dropped.