Hello, I have to remove NAs from a logical xts, but I get the error: Error in na.omit.xts(x > y) : unsupported type Example code: library(xts) x = xts(1:10,as.Date(1:10)) y = xts(c(NA,9:1),as.Date(1:10)) na.omit(x > y) What I am missing? Kind regards, Fabrizio Pollastri