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...o compute the ENFA, I get the following error message: Error in eigen(Se) : infinite or missing values in 'x' Does anyone know what could be wrong. I do not have missing values in my dataset. Please follow the codes I used for my analysis so far: library (adehabitat) library (ade4) (dataenfa1 <- data2enfa(var, locs)) pc <- dudi.pca(dataenfa1$tab, scannf = FALSE) (enfa1 <- enfa(pc, dataenfa1$pr, scannf = FALSE)) Error in eigen(Se) : infinite or missing values in 'x' Any help will be much appreciated. Thank you, Leandro [[alternative HTML version deleted]]