This method is like _.unzip except that it accepts an iteratee to specify how regrouped values should be combined. The iteratee is invoked with four arguments: (accumulator, value, index, group).
The array of grouped elements to process.
The function to combine regrouped values.
Rest
Returns the new array of regrouped elements.
_.unzipWith
This method is like _.unzip except that it accepts an iteratee to specify how regrouped values should be combined. The iteratee is invoked with four arguments: (accumulator, value, index, group).