Testing the equality of two independent normal populations is a perfect case of the two-sample problem, yet it is not treated in the main text of any textbook or handbook. In this article, we derive the exact distribution of the likelihood ratio test and implement this test with an R function....

Despite international focus on how to facilitate adaptation to droughts in a changing climate, a good deal of adaptation will be enacted at the local level. Focusing on the Yuanyang Terrace of SW China (a very famous agricultural heritage site), this study illustrates that land use change,...