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Table 1 Summary of symbols

From: Prediction of microbial communities for urban metagenomics using neural network approach

Symbol Description
M An alphabetical ordered list of microbial names of identified organisms
Y i A vector of microbial distribution given location i, where Yij indicates the existence of microbe Mj
Y n m An n by m microbial distribution matrix, where Yij represents whether Mj exists in the location i
F A k-dimensional feature vector
X n k An n by k feature matrix
S A set of locations, where si is the ith location
P m m An m by m pairwise evolutionary (phylogenetic) microbial similarity matrix