Henry,
You're reading a CSV with read.zoo. This is not likely to work. The
way I'd do this is:
data <- read.csv('/tmp/Kevin-0-comma-ITPower.txt', header=FALSE)
z <- zoo(data[,2], order.by=as.POSIXct(data[,1], format='%d/%m/%y
%H:%M:%S') # or whatever your format actually is...
-- H
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Envoyait de mon portable