[R] data frame usage

[Bernd Jagla]

GREAT!!!

Thanks so much !!!

-B

|-----Original Message-----
|From: John Kane [mailto:jrkrideau at yahoo.ca]
|Sent: Thursday, October 25, 2007 1:45 PM
|To: Bernd Jagla; 'Henrique Dallazuanna'
|Cc: r-help at r-project.org
|Subject: Re: [R] data frame usage
|
|I think I also misunderstood. It sounds like you want
|to subset the data set.
|
|Try
|aa <- subset(x x$label == "xxx")
|
|--- Bernd Jagla <baj2107 at columbia.edu> wrote:
|
|> No, I just want to the values for one class nothing
|> applied to them.
|> So for example tapply(x$val, x$label, hist) gives me
|> all kind of stats that
|> can be used for plotting the histogram. But I want
|> to plot the actual
|> histogram for one class.
|> I guess it would be easiest to take your construct
|> and just "echo" the
|> values for a specific class.
|> I hope you understand better what I mean....
|>
|> Thanks again,
|>
|> Bernd
|>
|> |-----Original Message-----
|> |From: Henrique Dallazuanna
|> [mailto:wwwhsd at gmail.com]
|> |Sent: Thursday, October 25, 2007 1:34 PM
|> |To: Bernd Jagla
|> |Cc: r-help at r-project.org
|> |Subject: Re: [R] data frame usage
|> |
|> |Yes, or
|> |
|> | tapply(x$val, x$label, summary)[[1]]
|> |
|> |for the first class.
|> |
|> |On 25/10/2007, Bernd Jagla <baj2107 at columbia.edu>
|> wrote:
|> |
|> |	Wow, that easy...
|> |	And how can get only the values for a specific
|> class?
|> |
|> |	Like tapply(x$val, x$label, ?echo?)$class1
|> |
|> |	What should echo be?
|> |
|> |	Thanks,
|> |	B
|> |
|> |	|-----Original Message-----
|> |	|From: Henrique Dallazuanna
|> [mailto:wwwhsd at gmail.com]
|> |	|Sent: Thursday, October 25, 2007 1:15 PM
|> |	|To: Bernd Jagla
|> |	|Cc: r-help at r-project.org
|> |	|Subject: Re: [R] data frame usage
|> |	|
|> |	|Hi,
|> |	|
|> |	|tapply(x$val, x$label, summary)
|> |	|
|> |	|
|> |	|
|> |	|On 25/10/2007, Bernd Jagla <
|> baj2107 at columbia.edu> wrote:
|> |	|
|> |	|       Hi,
|> |	|       I am new to R and couldn't find any
|> information on how to
|> |handle my
|> |	|table
|> |	|       data that I just read in the way I want to
|> use it..
|> |	|
|> |	|       I read in a table from a file:
|> |	|       x <- read.delim("filenam", header=TRUE)
|> |	|
|> |	|       one column (x$label) hold the class
|> labels. Another holds
|> |some
|> |	values
|> |	|       (x$val).
|> |	|       I want to calculate summary statistics for
|> different
|> classes.
|> |	|
|> |	|       How would I do this?
|> |	|
|> |	|       Thanks,
|> |	|
|> |	|       Bernd
|> |	|
|> |	|
|> ______________________________________________
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|> |	|< https://stat.ethz.ch/mailman/listinfo/r-help
|> |<https://stat.ethz.ch/mailman/listinfo/r-help> >
|> |	|       PLEASE do read the posting guide
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|> |project.org/posting-
|> |	|guide.html
|> |	|       and provide commented, minimal,
|> self-contained, reproducible
|> |code.
|> |	|
|> |	|
|> |	|
|> |	|
|> |	|
|> |	|--
|> |	|Henrique Dallazuanna
|> |	|Curitiba-Paraná-Brasil
|> |	|25° 25' 40" S 49° 16' 22" O
|> |
|> |
|> |
|> |
|> |
|> |
|> |--
|> |Henrique Dallazuanna
|> |Curitiba-Paraná-Brasil
|> |25° 25' 40" S 49° 16' 22" O
|>
|> ______________________________________________
|> R-help at r-project.org mailing list
|> https://stat.ethz.ch/mailman/listinfo/r-help
|> PLEASE do read the posting guide
|> http://www.R-project.org/posting-guide.html
|> and provide commented, minimal, self-contained,
|> reproducible code.
|>
|
|
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