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cheba
2011 Dec 02
2
Moving column averaging
# need zoo to use rollapply()
# your data (I called df)
df <- structure(list(a = 1:2, b = 2:3, c = c(5L, 9L), d = c(9L, 6L),
e = c(1L, 5L), f = c(4, 7)), .Names = c("a", "b", "c", "d",
"e", "f"), class = "data.frame", row.names = c(NA, -2L))
# transpose and make a zoo object
df2 <- zoo(t(df))
#rollapply to get
2012 Dec 21
1
Parallel code using parLapply
...ound(nrow(i) / 5), iter = 2000, simple = FALSE)
},
)
stopCluster(cl)
******************************************
Before running the last line, R is throwing an error: "Error in length(x) : 'x' is missing". Any ideas what I am doing wrong and how to improve?
Many thanks!
Best, Chega
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