Hi Dimitris: Thanks for your help, I will try.
BR Yiyao -----原始邮件----- 发件人: Dimitris Rizopoulos [mailto:[EMAIL PROTECTED] be] 发送时间: 2004年10月25日 15:39 收件人: YiYao_Jiang 抄送: [EMAIL PROTECTED] 主题: Re: [R] Multiple formula in one block Hi YiYao, you need the `?panel.abline()' function, somehing like: panel=function(x, breaks, equal.widths, type, ...){ panel.histogram(x, breaks, equal.widths, type, ...) panel.abline(v=mean(singer$height)) } inside the `histogram()' function could do the trick. I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/16/396887 Fax: +32/16/337015 Web: http://www.med.kuleuven.ac.be/biostat/ http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm ----- Original Message ----- From: "YiYao_Jiang" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "YiYao_Jiang" <[EMAIL PROTECTED]> Sent: Monday, October 25, 2004 9:16 AM Subject: [R] Multiple formula in one block > Hi Everybody: > > I want to draw some chart using command "histogram" and add another > curve in it. > Example: > > require(stats) > data(singer) > library(lattice) > histogram( ~ height | voice.part, data = singer, nint = 17, > endpoints = c(59.5, 76.5), layout = c(2,4), aspect = .5, xlab = > "Height (inches)") > > Now I got a chart of 8 blocks, then I need add :" > abline(v=mean(singer$height), col=2, lwd=2) " or any other curve to > every block. > How can I do to achieve it. Thanks. > > > Best Regards > > YiYao Jiang > > Product Division/ product Testing Department > Semiconductor Manufacturing International Corporation > 18 ZhangJiang Road, PuDong New Area, Shanghai ZIP: 201203 > Tel:86-21-5080-2000 Ext. 15173 > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
