tmd(lattice)
tmd()所属R语言包：lattice
Tukey Mean-Difference Plot
杜克平均差异剧情
译者：生物统计家园网 机器人LoveR
描述----------Description----------
tmd Creates Tukey Mean-Difference Plots from a trellis object returned by xyplot, qq or qqmath. The prepanel and panel functions are used as appropriate. The formula method for tmd is provided for convenience, and simply calls tmd on the object created by calling xyplot on that formula.
tmd创建杜克xyplot，qq或qqmath返回一个网格对象的平均差分图。 prepanel和面板功能酌情使用。 方法formula，tmd提供方便，简单地调用tmd创建的对象通过调用xyplot公式。
用法----------Usage----------
tmd(object, ...)
## S3 method for class 'trellis'
tmd(object,
xlab = "mean",
ylab = "difference",
panel,
prepanel,
...)
prepanel.tmd.qqmath(x,
f.value = NULL,
distribution = qnorm,
qtype = 7,
groups = NULL,
subscripts, ...)
panel.tmd.qqmath(x,
f.value = NULL,
distribution = qnorm,
qtype = 7,
groups = NULL,
subscripts, ...,
identifier = "tmd")
panel.tmd.default(x, y, groups = NULL, ...,
identifier = "tmd")
prepanel.tmd.default(x, y, ...)
参数----------Arguments----------
参数：object
An object of class "trellis" returned by xyplot, qq or qqmath.
一个类的对象"trellis"返回xyplot，qq或qqmath。
参数：xlab
x label
X标签
参数：ylab
y label
Ÿ标签
参数：panel
panel function to be used. See details below.
要使用面板功能。详见下文。
参数：prepanel
prepanel function. See details below.
prepanel功能。详见下文。
参数：f.value, distribution, qtype
see panel.qqmath.
看到panel.qqmath。
参数：groups, subscripts
see xyplot.
看到xyplot。
参数：x, y
data as passed to panel functions in original call.
数据传递给原来的呼叫面板功能。
参数：...
other arguments
其他参数
参数：identifier
A character string that is prepended to the names of grobs that are created by this panel function.
一个字符串，前面的名称，由本面板功能创建的grobs。
Details
详情----------Details----------
The Tukey Mean-difference plot is produced by modifying the (x,y) values of each panel as follows: the new coordinates are given by x=(x+y)/2 and y=y-x, which are then plotted. The default panel function(s) add a reference line at y=0 as well.
杜克平均差异图产生通过修改每个面板（X，Y）值如下：x=(x+y)/2和y=y-x，然后再绘制新的坐标。默认的面板功能（S）y=0以及添加参考线。
tmd acts on the a "trellis" object, not on the actual plot this object would have produced. As such, it only uses the arguments supplied to the panel function in the original call, and completely ignores what the original panel function might have done with this data. tmd uses these panel arguments to set up its own scales (using its prepanel argument) and display (using panel). It is thus important to provide suitable prepanel and panel functions to tmd depending on the original call.
tmd"trellis"对象行为，而不是实际的图这个对象已经产生。正因为如此，它仅使用面板功能在原来的呼叫提供的论据，完全忽略可能有这个数据做什么原面板功能。 tmd使用这些面板的参数设置自己的尺度（使用prepanel参数）和显示器（使用panel）。因此，它是重要的，提供适合prepanel和面板功能tmd根据原来的呼叫。
Such functions currently exist for xyplot, qq (the ones with default in their name) and qqmath, as listed in the usage section above. These assume the default displays for the corresponding high-level call. If unspecified, the prepanel and panel arguments default to suitable choices.
这些功能目前存在的xyplot，qq（default在其名称中的）qqmath，在上述使用部分上市。这些承担相应的高级别呼叫预设的显示器。如果未指定，prepanel和panel参数的默认合适的选择。
tmd uses the update method for "trellis" objects, which processes all extra arguments supplied to tmd.
tmd使用update对象，它处理所有额外的参数提供的"trellis"tmd方法。
值----------Value----------
An object of class "trellis". The update method can be used to update components of the object and the print method (usually called by default) will plot it on an appropriate plotting device.
对象类"trellis"。 update方法可以用来更新的对象和print方法（通常称为默认情况下），将适当的绘图设备上绘制它的组成部分。
作者（S）----------Author(s)----------
Deepayan Sarkar <a href="mailto eepayan.Sarkar@R-project.org">Deepayan.Sarkar@R-project.org</a>
参见----------See Also----------
qq, qqmath, xyplot, Lattice
qq，qqmath，xyplot，Lattice
举例----------Examples----------
tmd(qqmath(~height | voice.part, data = singer))
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注：
注1：为了方便大家学习，本文档为生物统计家园网机器人LoveR翻译而成，仅供个人R语言学习参考使用，生物统计家园保留版权。
注2：由于是机器人自动翻译，难免有不准确之处，使用时仔细对照中、英文内容进行反复理解，可以帮助R语言的学习。
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发表于 2012-2-17 10:02:17
