search for: dailyibm

Displaying 2 results from an estimated 2 matches for "dailyibm".

2006 Mar 07
1
coding problems
hi, I am trying to fit an ARIMA model to some time series data, I have used differencing to make the data stationary. dailyibm is the data I am using, could someone please help out in identifying the coding as I can't seem to identify the problem many thanks > fit.ma <- arima.sim(dailyibm - mean(dailyibm), model=list(order=c(0,1,0)),n = 3333) Error in inherits(x, "data.frame") : couldn't find fu...
2006 Mar 08
0
survival
...t stat.math.ethz.ch> Message-ID: <84661D5136F2FA4880B9FF16DAE46921265598 at 03-CSEXCH.uopnet.plymouth.ac.uk> Content-Type: text/plain; charset="iso-8859-1" hi, I am trying to fit an ARIMA model to some time series data, I have used differencing to make the data stationary. dailyibm is the data I am using, could someone please help out in identifying the coding as I can't seem to identify the problem many thanks > fit.ma <- arima.sim(dailyibm - mean(dailyibm), model=list(order=c(0,1,0)),n = 3333) Error in inherits(x, "data.frame") : couldn't find fu...