Ryan,
>From "decompose()" source code, two conditions can trigger the error message:
"time series has no or less than 2 periods"
based on the frequency value, specifically:
1. f <= 1
2. length(na.omit(x)) < 2 * f
It appears to me that your reproducible code has got a typo error, it should be:
Z=ts(X[,3],frequency=24*365)
I mean X[,3] in place of X[,2].
Further, frequency=24*365, 2*frequency > 6000 = length(X[,3]), and that
triggers the second condition.
>From R console:
> decompose
function (x, type = c("additive", "multiplicative"), filter = NULL)
{
type <- match.arg(type)
l <- length(x)
f <- frequency(x)
if (f <= 1 || length(na.omit(x)) < 2 * f)
stop("time series has no or less than 2 periods")
--
Best,
GG
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