Statistical Analysis of Megalithic Tomb Orientations in the Iberian Peninsula and Neighbouring Regions

Hoskin M. , Tombs, temples and their orientations: New perspectives in Mediterranean prehistory (Bognor Regis, 2001; hereafter Tombs, temples).

Hoskin , Tombs, temples (ref. 1).

da Silva C. Marciano , “The spring full moon”, Journal for the history of astronomy, xxxv (2004), 475–8.

Hoskin , Tombs, temples (ref. 1).

Freeman P. R. Elmore W. , “A test for the significance of astronomical alignments”, Archaeoastronomy (supplement to Journal for the history of astronomy), no. 1 (1979), S86–96; Heggie D. C. , “Highlights and problems of megalithic astronomy”, Archaeoastronomy, no. 3 (1981), S15–37.

Patrick J. Freeman P. , “A cluster analysis of astronomical orientations”, in Records in stone: Papers in memory of Alexander Thom , ed. by Ruggles C. L. N. (Cambridge, 1988), 251–61; Ruggles C. L. N. , Megalithic astronomy: A new archaeological and statistical study of 300 western Scottish sites (British Archaeological Report 123; Oxford, 1984).

González-García A. C. Costa-Ferrer L. Belmonte J. A. , “Solarists vs. lunatics: Modelling patterns in megalithic astronomy” in Light and shadows in cultural astronomy, ed. by Zedda M. Belmonte J. A. (Cagliari, 2007), 23–30.

Quintela M. V. García García A. C. González , “Arqueoastronomía, antropología y paisaje”, Complutum, xx/2 (2009), 39–54.

For genetics, see Moodley Y. , “The peopling of the Pacific from a bacterial perspective”, Science, cccxxiii (2009), 527–30 and references therein. For linguistics, see Gray R. D. Drummond A. J. Greenhill S. J. , “Language phylogenies reveal expansion pulses and pauses in Pacific settlement”, Science, cccxxiii (2009), 2009–83; for a review see Cavalli-Sforza L. L. , “Genes, peoples and languages”, Proceedings of the National Academy of Sciences, xciv (1997), 1997–24.

Hoskin Michael , “The orientation of Neolithic monuments of Brittany: (2) The early dolmens”, and ” (3) The allées couvertes”, Journal for the history of astronomy, xxxviii (2007), 487–501.

Gil-Merino R. Gallo M. A. Moreno de Castro G. Delibes González-García A. C. , “Interdisciplinary approach to megalithic tombs in Northern Iberia”, in Cosmology across cultures, ed. by Rubiño-Martin J. A. (Astronomical Society of the Pacific Conference Series cdix; San Francisco, 2009), 349–53.

González-García A. C. , “Estudio estadístico de las orientaciones de los megalitos de la Península Ibérica”, Complutum, xx/2 (2009), 177–86.

See, for example Tan P.-K. Steinbach M. Kumar V. , Introduction to data mining (Wilminton, 2006).

IDL stands for Interactive Data Language. This is software developed by ITT Visual Information Systems, Inc. This program includes a number of mathematic and visualization tools developed to work with scientific data.

This magnitude has no physical meaning.

See, for example Lay D. C. , Linear algebra and its applications (Wilminton, 1994).

Manuel Calado, personal communication. Whittle E. H. Arnaud J. M. , “Thermoluminiscent dating of Neolithic and Chalcolithic pottery from sites in central Portugal”, Archaeometry, xvii (1975), 5–24.

Green R. M. , Spherical astronomy (Cambridge, 1991); Meeus J. , Astronomical algorithms (Richmond, 1991).

da Silva Marciano , op. cit. (ref. 2).

González-García , op. cit. (ref. 7).

Hoskin , Tombs, temples (ref. 1).