[R] 回覆︰ filled circle with a black line on the rim in pch function

[Christine Lee]

Sorry all, My mistake!  The missing parts are as follows: Raw$Date1<-as.Date(Raw$Date,"%d/%m")
culr<-ifelse(Raw$Year=="Y2002","Year 2002","Year 2014")
library(lattice) Many thanks.   With best regards,Christine 


    Jim Lemon <drjimlemon at gmail.com> 於 2015年12月1日 (週二) 4:01 PM 寫道﹕
 

 Hi Christine,When I try to run your script, the plot fails:
Error in eval(expr, envir, enclos) : object 'culr' not found> names(Raw)[1] "Date"    "Year"    "Station" "Abun"    "Date1"  
so I changed the second line to:
groups=Year,
and it did work. The default (pink, gray) background colors for the symbols do appear when the symbol is changed to pch=21. The arguments 
col="black",bg=c("gray","black"),
would produce the symbols you want in base graphics, but do not seem to do so in lattice. I do get sort of what you want by modifying your code pretty radically:
xyplot(Abun~Date1|Station, data=Raw,        groups = Year,        par.settings = list(strip.background = list(col = "transparent")),        type="p",        pch = rep(21,2),        col="black",        fill=c("gray","black"),        xlab=list("Month",cex=1.5),        ylab=list("Abundance",cex=1.5),        index.cond=list(c(1,2,3,4)),        auto.key = T,        layout=c(4,1))
Jim

On Tue, Dec 1, 2015 at 5:20 PM, Christine Lee via R-help <r-help at r-project.org> wrote:

Dear All,

I have an embarssing question, I want to put a black line as a rim on the grey symbol in the xyplot, to no avail.
.  I thought it was easy, by changing the pch code from 16 to 21.  I was surpised that I ran into difficulty.

My original script is as follows:
library(lattice)
xyplot(Abun~Date1|Station, data=Raw,
        groups = culr,
        par.settings = list(strip.background = list(col = "transparent"),
                            superpose.symbol = list(cex = rep(2, 2),
                                                    col=c("grey","black"),
                                                    pch = rep(16,2))),
        type="p",
        xlab=list("Month",cex=1.5),
        ylab=list("Abundance",cex=1.5),
        index.cond=list(c(1,2,3,4)),
        auto.key = T,
        layout=c(4,1))


I have changed pch number into 21, the symbols did show a black rim, but the filled circle colours became blue and pink, instead of the designated grey and black.  This puzzles me.

My data is as follows:
Raw<-structure(list(Date = structure(c(6L, 7L, 2L, 4L, 12L, 9L, 7L,
2L, 4L, 12L, 6L, 15L, 14L, 3L, 6L, 1L, 16L, 5L, 11L, 8L, 4L,
10L, 13L, 6L, 1L, 16L, 5L, 11L, 8L, 4L, 10L, 13L, 6L, 1L, 16L,
5L, 11L, 8L, 4L, 10L, 13L, 11L, 8L, 4L, 10L, 13L), .Label = c("1/10",
"1/11", "11/11", "12/11", "13/10", "19/9", "2/10", "2/11", "20/9",
"26/11", "29/10", "29/11", "30/11", "31/10", "4/10", "6/10"), class = "factor"),
    Year = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
    1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
    2L, 2L, 2L, 2L, 2L, 2L), .Label = c("Y2002", "Y2014"), class = "factor"),
    Station = structure(c(1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L,
    2L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L,
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
    3L, 3L, 4L, 4L, 4L, 4L, 4L), .Label = c("E", "F", "H", "I"
    ), class = "factor"), Abun = c(3.42, 1.33, 3.67, 3.67, 3.92,
    2.17, 2.5, 1.67, 6.33, 0.67, 1, 1, 1.33, 2.08, 0, 0, 0.33,
    0.08, 0.08, 0, 0.5, 0.17, 0.67, 0.67, 0, 1, 0.58, 1.5, 2.67,
    0.67, 1.33, 3, 0.58, 1.17, 1.25, 0.75, 1.25, 1.75, 0.92,
    1.5, 0.83, 0.75, 2.33, 0.67, 1.33, 1.58), Date1 = structure(c(16697,
    16710, 16740, 16751, 16768, 16698, 16710, 16740, 16751, 16768,
    16697, 16712, 16739, 16750, 16697, 16709, 16714, 16721, 16737,
    16741, 16751, 16765, 16769, 16697, 16709, 16714, 16721, 16737,
    16741, 16751, 16765, 16769, 16697, 16709, 16714, 16721, 16737,
    16741, 16751, 16765, 16769, 16737, 16741, 16751, 16765, 16769
    ), class = "Date")), .Names = c("Date", "Year", "Station",
"Abun", "Date1"), row.names = c(NA, -46L), class = "data.frame")

Can any one help me please?

With best regards,
Christine

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