On Oct 6, 2014, at 2:50 AM, jpm miao wrote:
> I tried to convert a monthly dataset to quarterly by averaging
>
> dt_mz<-zoo(dt_m, dt_m$date_m)
> dt_mz2q<-aggregate(dt_mz, as.yearqtr, FUN=mean)
>
> However, the resulting zoo object are just NAs
Because you put those month values inside the core
I tried to convert a monthly dataset to quarterly by averaging
dt_mz<-zoo(dt_m, dt_m$date_m)
dt_mz2q<-aggregate(dt_mz, as.yearqtr, FUN=mean)
However, the resulting zoo object are just NAs
How can I get a quarterly average dataset?
Thanks!
> dput(dt_mz)
structure(c("Jan 1981", "Feb 1981", "Mar 1
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