ey man!! you need to change the format of your data as matrix
data <- as.matrix(correlation_data) solucion <- factanal(covmat = data, factors=2) that´s all!!! enjoy Rafael Ch. -- View this message in context: http://r.789695.n4.nabble.com/Factor-Analysis-Inputting-Correlation-Matrix-tp3591163p4090012.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.