melt.cast_df: Melt cast data.frames
Description
Melt the results of a cast
Usage
# S3 method for cast_df
melt(data, drop.margins=TRUE, ...)
Author
Hadley Wickham <h.wickham@gmail.com>
Arguments
- data
- drop.margins
- ...
other arguments ignored
Details
This can be useful when performning complex aggregations - melting
the result of a cast will do it's best to figure out the correct variables
to use as id and measured.