Re: [R] How to format data for time-series analysis

2007-10-28 Thread Gabor Grothendieck
Some information on the meaning of the fields would have been helpful but asuming that the fields are row number, dd-mm-yy date, Event, State (which may be empty) and Value, the following produces a list, L, of 3 zoo objects: Lines.raw <- "Time Event State Value 1 24-10-20 BMU 20 2 25

Re: [R] How to format data for time-series analysis

2007-10-28 Thread jim holtman
Just add the steps to do the conversion yourself. Also you data seems to be missing columns, at least in the mail you sent. Also the 'zoo' object will be a character matrix. > x <- read.table(tc <- textConnection(" Time Event State Value + 24-10-20 BMU 20 + 25-10-20 Image

[R] How to format data for time-series analysis

2007-10-28 Thread B. Bogart
Hey all again, So I'm going through tutorials and getting a better sense of R structures. So I made some mockup data to see if I can figure out how to load it properly. (attached) if anyone has any suggestions on a better way to structure that data please let me know. So the file has three colu

Re: [R] How to format data for time-series analysis

2007-10-22 Thread Gabor Grothendieck
R News 4/1 which gives an overview of the date time classes. On 10/22/07, B. Bogart <[EMAIL PROTECTED]> wrote: > Hello all, > > I'm using R to visualize and explore the data produced by a software > system. The software generates logs for many types of events. The > software runs for days on end,

Re: [R] How to format data for time-series analysis

2007-10-22 Thread jim holtman
I would suggest that you use POSIXct as the format for the date/time. This will give you resolution to almost a microsecond, so you should be able to differentiate between multiple sequencial events. As for reading it in, almost anything is reasonable; e.g., 2007/10/22 18:38:25.123456. You just h

[R] How to format data for time-series analysis

2007-10-22 Thread B. Bogart
Hello all, I'm using R to visualize and explore the data produced by a software system. The software generates logs for many types of events. The software runs for days on end, and can possibly generate multiple events per second. What is the appropriate time format for year, month, day, hour,