add_margins Add margins to a data frame. cast Cast functions Cast a molten data frame into an array or data frame. colsplit Split a vector into multiple columns french_fries Sensory data from a french fries experiment. melt Convert an object into a molten data frame. melt.array Melt an array. melt.data.frame Melt a data frame into form suitable for easy casting. melt.default Melt a vector. For vectors, makes a column of a data frame melt.list Melt a list by recursively melting each component. melt_check Check that input variables to melt are appropriate. parse_formula Parse casting formulae. recast Recast: melt and cast in a single step smiths Demo data describing the Smiths. tips Tipping data