![](/img/cover-not-exists.png)
Hierarchy as a new data type for qualitative variables
Serguei Levachkine, Adolfo Guzmán-ArenasVolume:
32
Year:
2007
Language:
english
Pages:
12
DOI:
10.1016/j.eswa.2006.01.024
File:
PDF, 243 KB
english, 2007