Displaying 2 results from an estimated 2 matches for "pcumsdry".
2012 Apr 26
1
Using the R predict function to forecast a model fit with auto.arima function
Hello R users,
Hope everyone is doing great.
I have a dataset that is in .csv format and consists of two columns: one
named Period (which contains dates in the format yyyy_mm) and goes from
1995_10 to 2007_09 and the second column named pcumsdry which is a
volumetric measure and has been formatted as numeric without any commas or
decimals.
I imported the dataset as pauldataset and made use of the auto.arima
function which is great when you want R to suggest an appropriate arima
model to fit to your data.
I successfully got the arima fit...
2012 May 04
1
Problems Exporting R Output to an xls file need help
...my work is presented below. I loaded a package called
dataframes2xls and tried to use the function write.xls without any success.
Can anybody help me figure this out? How could I get R to export the output
to an xls file?
Any help will be greatly appreciated.
> dryfit<-auto.arima(testing1$pcumsdry)
> dryfit
Series: testing1$pcumsdry
ARIMA(2,1,1) with drift
Coefficients:
ar1 ar2 ma1 drift
0.2684 0.109 -0.8906 -15265.776
s.e. 0.1145 0.102 0.0798 8047.169
sigma^2 estimated as 2.869e+11: log likelihood=-2265.02
AIC=4540.03 AICc=4540.43 B...