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2012 Mar 19
0
Reshape data frame with dcast and melt
...ame and id) is only unique in the wide form. After applying the reshape_long function the primary key is not longer unique. I was wondering if anyone can tell me whether the step from d1 -> reshape_wide -> d2 can work at all because of the non uniqueness of d1. library(reshape2) library(taRifx) reshape_long <- function(data, ids) { # Bring data into long form data_long <- melt(data, id.vars = ids, variable.name="Data_Points", value.name="value") data_long$value <- as.numeric(data_long$value) # Remove rows were analyte value is NA data_long...