[R] Zoo or TS
ontiveros_paloma at yahoo.com
Sun Feb 22 19:12:21 CET 2009
Sorry, forgot to attach the error it is giving me.
In if (NYT["Title"] == "A") plot(NYT["B"], :
the condition has length > 1 and only the first element will be used
Tony Breyal wrote:
> I think you need to put quotes around the column header name,
> something like: NYT["Title"]
>> my.df <- data.frame(header1=1:3, header2=1:3)
> Error in `[.data.frame`(my.df, header2) : object "header2" not found
> 1 1
> 2 2
> 3 3
> Hope that helps a little,
> Tony Breyal
> On 22 Feb, 04:41, miya <ontiveros_pal... at yahoo.com> wrote:
>> Hi everyone,
>> I'm trying to plot some data across time. I have a list of articles,
>> date/times, authors, etc. Someone suggested using zoo and someone
>> using ts. I'm pretty new at this and have been trying a simple if()
>> statement, but it doesn't seem to work. I keep getting an error that
>> does not exist. Basically its saying that the headers do not exist as
>> objects. Can anyone please help.
>> Below is what I've been trying to do and a sample of the data I am
>> Thanks in advance.
>> Time Date Rank Topic Title Author
>> 0 xxxx 1 A J By PAUL
>> 0 xxxx 2 B K By PERRI
>> 0 xxxx 3 C L By WILL
>> 0 xxxx 4 D M By ANA
>> 1 xxxx 1 A J By PAUL
>> 1 xxxx 2 B L By WILL
>> 1 xxxx 3 C M By ANA
>> 1 xxxx 4 D K By PERRI
>> if(NYT[Title]=="For Catholics, a Door to Absolution Is Reopened")
>> Error in `[.data.frame`(NYT, Title) : object "Title" not found
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>> PLEASE do read the posting
>> and provide commented, minimal, self-contained, reproducible code.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.
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