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On Reducing Correlations between Topological Indices (CROSBI ID 120946)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Hollas, Boris ; Gutman, Ivan ; Trinajstić, Nenad On Reducing Correlations between Topological Indices // Croatica chemica acta, 78 (2005), 4; 489-492-x

Podaci o odgovornosti

Hollas, Boris ; Gutman, Ivan ; Trinajstić, Nenad

engleski

On Reducing Correlations between Topological Indices

A very large number of molecular-graph-based structure descriptors, the so-called topological indices (TIs), have been proposed in the recent and current chemical literature. Many of these are highly intercorrelated, which makes their application in QSPR and QSAR studies difficult and purposeless. A class of such TIs (including the Platt number, the connectivity index, and the Zagreb indices) has been examined by methods of mathematical statistics and probability theory, and the reasons for their mutual correlation are revealed. The analysis has shown that by a slight modification of these TIs, their mutual correlation can be reduced or completely eliminated. These theoretical inferences have been corroborated by a computer experiment done on a database consisting of over 126000 distinct molecular structures.

topological index; QSPR; QSAR; Platt number; connectivity index; Zagreb index

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Podaci o izdanju

78 (4)

2005.

489-492-x

objavljeno

0011-1643

Povezanost rada

Kemija

Indeksiranost