Hubert, L J; Golledge, R G; Costanzo, C M; Gale, N - In: Environment and Planning A 17 (1985) 3, pp. 373-385
A variety of tests for randomness are reviewed based on simple product-moment statistics defined between two matrices, {<i>a<sub>ij</sub></i>} and {<i>b<sub>ij</sub></i>}. Typically, the first matrix, {<i>a<sub>ij</sub></i>}, contains proximity data on the spatial placement of <i>n</i> observations, {<i>x</i><sub>1</sub>, ..., <i>x<sub>n</sub></i>}; the second matrix, {<i>b<sub>ij</sub></i>}, is obtained...