[R] strip levels

[Michael Dewey]

Dear Christine
Are you sure that your variable Year is not numeric? You example plot 
looks to me as though it is treating it as a shingle.

What does str(Raw.no10) tell you about Year?

On 06/04/2015 17:40, Christine Lee wrote:
> Thank you very much to Both Sarah and Michael,
>
> Your responses are deeply appreciated.  TxT
>
> I have omitted the reinstatement of the data source as follows:
>
> library(lattice)
> histogram(~Width|Station*Year, data=Raw.no10, layout=c(4,2),nin=30,xlab="Prosomal Width (mm)", strip=strip.custom(bg='white'),ylab="Frequencies",tick=-1,col='grey',as.table=TRUE)
>
> Instead of showing respective year of 2002 and 2014 in each of the lattice plot, it just shows "Year" in all lattice plot as attached.  TxT
>
> Do you know what has gone wrong?
>
> Many thanks.
>
> Regards,
> Christine
>
>
>
>
> --------------------------------------------
> 2015年4月6日 星期一，Michael Dewey <lists at dewey.myzen.co.uk> 寫道﹕
>
>   主題: Re: [R] strip levels
>   收件人: "Sarah Goslee" <sarah.goslee at gmail.com>, "Christine Lee" <leptostracan at yahoo.com>
>   副本(CC): "r-help" <r-help at r-project.org>
>   日期: 2015年4月6日,星期一,下午11:15
>
>   See inline
>
>   On 06/04/2015 15:39, Sarah
>   Goslee wrote:
>   > Hi,
>   >
>   > On Mon, Apr 6, 2015
>   at 7:44 AM, Christine Lee via R-help
>   >
>   <r-help at r-project.org>
>   wrote:
>   >> To whom it may help,
>   >>
>   >> I am new to
>   R.
>   >>
>   >> I have
>   been tring to have a lattice plot in two strip levels: 4
>   stations in 2 years.
>   >>
>   >> I type in:
>   >>
>   >>
>   histogram(~Raw.no10$Width|Raw.no10$Station*Raw.no10$Year,
>   data=Raw.no10, layout=c(4,2),nin=30,xlab="Prosomal
>   Width (mm)",
>   strip=strip.custom(bg='white'),ylab="Frequencies",tick=-1,col='grey',as.table=TRUE)
>   >
>   > In both examples,
>   you're mis-stating the data. Given the data
>   > argument, you do not need to restate the
>   data source.
>   >
>   >
>   histogram(~Width | Station*Raw.no10$Year, data=Raw.no10,
>
>   I think Sarah meant to type
>   Station * Year and not as above
>
>   >
>   layout=c(4,2),nin=30,xlab="Prosomal Width
>   (mm)",
>   >
>   strip=strip.custom(bg='white'),ylab="Frequencies",tick=-1,col='grey',as.table=TRUE)
>   >
>   > If that doesn't
>   solve your problem, then please use
>   >
>   dput(head(Raw.no10), 20) to provide some example data, or
>   create fake
>   > data of the same
>   structure.
>   >
>   > Without
>   a reproducible example that includes some sample data (fake
>   is
>   > fine), the code you used, and some
>   clear idea of what output you
>   > expect,
>   it's impossible to figure out how to help you. Here are
>   some
>   > suggestions for creating a good
>   reproducible example:
>   > http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
>   >
>   >
>   >> The second level, i.e. Year, showed as
>   "Raw.no10$Year" in the each of the lattice plot,
>   instead of its respective year, such as "2002" and
>   "2014".
>   >>
>   >> I changed to the following programme
>   language, therefore:
>   >>
>   >>
>   histogram(~Raw.no10$Width|Raw.no10$Station*Raw.no10$Year,
>   data=Raw.no10, layout=c(4,2),nin=30,xlab="Prosomal
>   Width (mm)",
>   strip=strip.custom(bg='white',var.name=c("2002","2014")),ylab="Frequencies",tick=-1,col='grey',as.table=TRUE)
>   >>
>   >> in order to
>   specify the variable names of the strip.
>   >>
>   >> Instead of
>   showing "Raw.no10$Year", each of the lattice plot
>   states "2014"!  They should have 4 plots showing
>   "2002" and another 4 showing "2014".
>   >>
>   >> Could any one
>   help indicating what has gone wrong?
>   >>
>   >> I am really
>   helpless and frustrated now.  T_T
>   >>
>   >> Regards,
>   >> Christine
>   >
>   >
>
>   --
>   Michael
>   http://www.dewey.myzen.co.uk/home.html
>

-- 
Michael
http://www.dewey.myzen.co.uk/home.html