Another beginner's question. Still trying trying to read and and plot a
simple
tds-value vs time.
input file: onedat
date time tds
1997-12-29 13:35:00 411> onedat<-read.table("onedat",header=T)
attach(onedat)> x<-chron(dates=as.vector(date),times=as.vector(time),
format=c("y-md","h:m:s"))> x
[1] (97-12-29 13:35:00)
See my problem? Chron has thrown the 1900 bit away.
Is there a way I can prevent this?
> julian(months(x[1]),days(x[1]),years(x[1]))
[1] -719073
Now. julian is that negative monstrosity iso 10224.
How do I cure this problem
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