Coeficiente de Sorensen-Dice

El coeficiente de Dice es una estadística usada para medir la similitud de dos muestras o regiones. Es el equivalente al F1-Score en dos dimensiones. Su fómrula es la siguiente:

$${\displaystyle DSC={\frac {2|X\cap Y|}{|X|+|Y|}}}$$

Dice, L.R. (1945), Measures of the Amount of Ecologic Association Between Species. Ecology, 26: 297-302. https://doi.org/10.2307/1932409

Sorensen, T. (1948) A Method of Establishing Groups of Equal Amplitude in Plant Sociology Based on Similarity of Species and Its Application to Analyses of the Vegetation on Danish Commons. Kongelige Danske Videnskabernes Selskab, 5, 1-34.