The application of the bootstrap to spatially correlated data has not been studied as widely as its application to time series data. This is a challenging problem since it is difficult to preserve the correlation structure of the data while implementing the bootstrap method. Kunsch (1989),...

Testing equality of scale arises in many research areas including clinical data analysis. In contrast to procedures for tests on means, tests for variances derived assuming normality of the parent populations are highly non-robust to non-normality. Levene type tests are well known to be robust...