void constructFromLevels(int axis)(string[][] index, string[] titles = [])
Description: Construct multi - index based on levels
[["Owl", "Kiwi"], ["Wild", "Domestic"]] will generate:
OWl Wild
Owl Domestic
Kiwi Wild
Kiwi Domestic
@params: axis - 0 for rows, 1 for columns
@params: index - 2D array of string with each unique level index
@params?: titles - Titles for each index level
void constructFromLevels(int axis)(string[][] index, string[] titles = []) Description: Construct multi - index based on levels [["Owl", "Kiwi"], ["Wild", "Domestic"]] will generate: OWl Wild Owl Domestic Kiwi Wild Kiwi Domestic @params: axis - 0 for rows, 1 for columns @params: index - 2D array of string with each unique level index @params?: titles - Titles for each index level