search for: lag1diff2

...ng the order of the difference. What does the above line actually mean? I've tried a few settings on sample data but can't figure out what it is doing. x <- iris x$Species = NULL x$Petal.Width = NULL x$Sepal.Width = NULL x$Sepal.Length = NULL x <- zoo(x) x <- merge(orig = x ,lag1diff2 = diff(x, lag = 1, differences = 2, arithmetic = TRUE, na.pad = TRUE) ,lag2diff1 = diff(x, lag = 2, differences = 1, arithmetic = TRUE, na.pad = TRUE) ,lag2diff2 = diff(x, lag = 2, differences = 2, arithmetic = TRUE, na.pad = TRUE) ) head(x) -- View this message in context: http://r.789695.n4.na...