## 'getSymbols' currently uses auto.assign=TRUE by default, but will
## use auto.assign=FALSE in 0.5-0. You will still be able to use
## 'loadSymbols' to automatically load data. getOption("getSymbols.env")
## and getOption("getSymbols.auto.assign") will still be checked for
## alternate defaults.
## 
## This message is shown once per session and may be disabled by setting 
## options("getSymbols.warning4.0"=FALSE). See ?getSymbols for details.
## 
## WARNING: There have been significant changes to Yahoo Finance data.
## Please see the Warning section of '?getSymbols.yahoo' for details.
## 
## This message is shown once per session and may be disabled by setting
## options("getSymbols.yahoo.warning"=FALSE).

## 
##  ARIMA(2,0,2) with non-zero mean : -23.90147
##  ARIMA(0,0,0) with non-zero mean : 59.14287
##  ARIMA(1,0,0) with non-zero mean : -29.03262
##  ARIMA(0,0,1) with non-zero mean : 7.129195
##  ARIMA(0,0,0) with zero mean     : 535.5225
##  ARIMA(2,0,0) with non-zero mean : -26.9793
##  ARIMA(1,0,1) with non-zero mean : -27.09226
##  ARIMA(2,0,1) with non-zero mean : -25.93761
##  ARIMA(1,0,0) with zero mean     : Inf
## 
##  Best model: ARIMA(1,0,0) with non-zero mean
## Series: OCBC$O39.SI.Open 
## ARIMA(1,0,0) with non-zero mean 
## 
## Coefficients:
##          ar1     mean
##       0.8763  12.8667
## s.e.  0.0593   0.1700
## 
## sigma^2 estimated as 0.03481:  log likelihood=17.71
## AIC=-29.41   AICc=-29.03   BIC=-22.8