| 1. | In the first part of this article , the problem of heteroscedasticity is put forward . the serious effect is also stated . in the first section of the second part , several commonly cited testing methods are introduced , such as graph method , spearman rank correlation coefficients test , park test , glejser test and goldfeld - quandt test
在第二节中，首先综述了各种文献中给出的常用的检验异方差的方法，它们有图示法、斯皮尔曼( spearman )的秩相关系数检验法、帕克( park )检验法、格莱舍尔( glejser )检验法、戈德菲尔德-匡特( goldfeld - quandt )检验法。 |
