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spTest (version 0.2.5)

spTest: Nonparametric Hypothesis Tests of Isotropy and Symmetry

Description

The package spTest implements nonparametric hypothesis tests of isotropy and symmetry in spatial data. The available functions are LuTest,GuanTestGrid, GuanTestUnif, and MaityTest.

Arguments

References

  • Lu, N., & Zimmerman, D. L. (2005). Testing for directional symmetry in spatial dependence using the periodogram. Journal of Statistical Planning and Inference, 129(1), 369-385.

  • Guan, Y., Sherman, M., & Calvin, J. A. (2004). A nonparametric test for spatial isotropy using subsampling. Journal of the American Statistical Association, 99(467), 810-821.

  • Maity, A., & Sherman, M. (2012). Testing for spatial isotropy under general designs. Journal of Statistical Planning and Inference, 142(5), 1081-1091.

  • Weller, Z.D. (2018). spTest: An R Package Implementing Nonparametric Tests of Isotropy. Journal of Statistical Software, 84(4), 1-24.