Re: [R] R-help Time Series

2005-02-26 Thread Prof Brian Ripley
I think 1) You have the units wrong: these appear to be the figures quoted for KB of compressed files, and the compression is nothing like 1024:1. 2) This is not `a series' unless you add a time base, e.g. via a call to ts(). Surely subscribers are aware that they do not get many MB/day and

Re: [R] R-help Time Series

2005-02-26 Thread Ted Harding
On 26-Feb-05 Prof Brian Ripley wrote: I think 1) You have the units wrong: these appear to be the figures quoted for KB of compressed files, and the compression is nothing like 1024:1. Sorry, yes, you are correct: it is KB and not MB (a slip of the eye on my part). 2) This is not `a

Re: [R] R-help Time Series

2005-02-26 Thread Gabor Grothendieck
Ted.Harding at nessie.mcc.ac.uk writes: : : Hi Folks, : : While I was browsing in the R-help archives yesterday, : I got curious about the time series of the sizes of : the monthly archives in MB. : : This turned out to have an unexpected feature or two, : which I leave to readers to explore

Re: [R] R-help Time Series

2005-02-26 Thread Uwe Ligges
Prof Brian Ripley wrote: I think 1) You have the units wrong: these appear to be the figures quoted for KB of compressed files, and the compression is nothing like 1024:1. 2) This is not `a series' unless you add a time base, e.g. via a call to ts(). Surely subscribers are aware that they do

Re: [R] R-help Time Series

2005-02-26 Thread Ted Harding
On 26-Feb-05 Uwe Ligges wrote: So let's be immensely unfair and do some speculation ... Assuming 1000MB/month means a compressed archive file of (very) *roughly* 250MB. Looking at the data with linear models, lm(sqrt(MB) ~ monthindex) seems not to be the worst model (removing the