China has been experiencing urbanization at an unprecedented rate over the last two decades. This study analyzes the impact of urbanization on land occupation. Cities are clustered by their functions and development stages, which is illustrated by a cluster tree, a dynamic tree that depicts the...

China has been experiencing urbanization at an unprecedented rate over the last two decades. This study analyzes the impact of urbanization on land occupation. Cities are clustered by their functions and development stages, which is illustrated by a cluster tree, a dynamic tree that depicts the...

For the problem of homogeneity of variances, a new generalized test variable is given and the generalized p-value based on the test variable is derived. The proposed generalized p-value is proved to have exact frequency property, and it is also invariant under the group of scale transformation.