[R] loading data into ZOO
Brian G. Peterson
brian at braverock.com
Wed Dec 23 21:28:04 CET 2009
Stephen J. Barr wrote:
> I have a simple question. I am trying to load data into a zoo object. I have
> the data in CSV format as follows
>
> SYMBOL DATE TIME PRICE
> XX YYYYMMDD HH:MM:SS n.nn
>
> and there are multiple symbols in this one data frame.
>
> My question is, do I need to merge DATE and TIME before loading them or can
> I specify multiple index.column or index.name fields?
index.column in read.zoo is a single column only
you can either merge in your CVS format, simplifying things in R, or use
read.table to get the data into R and then merge your index columns when you
call as.zoo.
Regards,
- Brian
--
Brian G. Peterson
http://braverock.com/brian/
Ph: 773-459-4973
IM: bgpbraverock
More information about the R-help
mailing list