ordiarrows(vegan)
ordiarrows()所属R语言包：vegan
Add Arrows and Line Segments to Ordination Diagrams
添加箭头和线段排序图
译者：生物统计家园网 机器人LoveR
描述----------Description----------
Functions to add arrows, line segments, regular grids of points. The ordination diagrams can be produced by vegan plot.cca, plot.decorana or
功能添加箭头，线段，规则网格点。统筹图可以通过veganplot.cca，plot.decorana
用法----------Usage----------
ordiarrows(ord, groups, levels, replicates, order.by, display = "sites",
show.groups, startmark, label = FALSE, ...)
ordisegments(ord, groups, levels, replicates, order.by, display = "sites",
show.groups, label = FALSE, ...)
ordigrid(ord, levels, replicates, display = "sites", lty = c(1,1),
col = c(1,1), lwd = c(1,1), ...)
参数----------Arguments----------
参数：ord
An ordination object or an ordiplot object.
协调对象或ordiplot对象。
参数：groups
Factor giving the groups for which the graphical item is drawn.
因素给组的图形绘制。
参数：levels, replicates
Alternatively, regular groups can be defined with arguments levels and replicates, where levels gives the number of groups, and replicates the number of successive items at the same group.
另外，常规组可以定义参数levels和replicates，其中levels给出的数字组，并且replicates连续在同一组项目的数量。
参数：order.by
Order points by increasing order of this variable within groups. Reverse sign of the variable for decreasing ordering.
订货点内groups这个变量递增的顺序。递减顺序，符号相反的变量。
参数：display
Item to displayed.
项目显示。
参数：show.groups
Show only given groups. This can be a vector, or TRUE if you want to show items for which condition is TRUE. This argument makes it possible to use different colours and line types for groups. The default is to show all groups.
只显示组。这可能是一个向量，或TRUE如果你想显示项目的条件是TRUE。这个论点的群体，使人们有可能使用不同的颜色和线型。默认是显示所有的组。
参数：label
Label the groups by their names. In ordiellipse, ordihull and ordispider the the group name is in the centroid of the object, in ordiarrows in the start of the arrow, and in ordisegments at both ends. ordiellipse and ordihull use standard text, and others use ordilabel.
标签groups他们的名字。在ordiellipse，ordihull和ordispider组的名称是对象的质心，在ordiarrows的箭头开始，并在ordisegments两端。 ordiellipse和ordihull使用标准的text，和其他人使用ordilabel。
参数：startmark
plotting character used to mark the first item. The default is to use no mark, and for instance, startmark = 1 will draw a circle. For other plotting characters, see pch in points.
绘制字符，用来标记的第一个项目。默认情况下是不使用商标，例如，startmark = 1会画一个圆。对于其他绘图的字符，看到pch：points。
参数：col
Colour of lines in ordigrid. This argument is also passed to other functions to change the colour of lines.
颜色线ordigrid。这个论点也被传递给其他的功能，改变线条的颜色。
参数：lty, lwd
Line type, line width used for levels and replicates in ordigrid.
线型，线的宽度，用于在levelreplicate“和ordigrid的。
参数：...
Parameters passed to graphical functions such as lines, segments, arrows, or to scores to select axes and scaling etc.
参数传递给图形功能，如lines，segments，arrows，或scores选择轴和缩放等
Details
详细信息----------Details----------
Function ordiarrows draws arrows and ordisegments draws line segments between successive items in the groups. Function ordigrid draws line segments both within the groups and for the
功能ordiarrows吸引arrows和ordisegments绘制线segments的连续项目之间的组中。函数ordigrid画线segments组内和
注意----------Note----------
These functions add graphical items to ordination graph: You must draw a graph first.
这些功能添加图形的项目协调图形：您必须先画一个图。
（作者）----------Author(s)----------
Jari Oksanen
参见----------See Also----------
The functions pass parameters to basic graphical functions, and you may wish to change the default values in arrows, lines and segments. You can pass parameters to scores as well.
函数传递参数基本的图形功能，您可能希望更改默认值arrows，lines和segments。您可以传递参数给scores以及。
实例----------Examples----------
example(pyrifos)
mod <- rda(pyrifos)
plot(mod, type = "n")
## Annual succession by ditches[＃年相继沟渠]
ordiarrows(mod, ditch, label = TRUE)
## Show only control and highest Pyrifos treatment[＃只显示控制和最高Pyrifos治疗]
plot(mod, type = "n")
ordiarrows(mod, ditch, label = TRUE,
show.groups = c("2", "3", "5", "11"))
ordiarrows(mod, ditch, label = TRUE, show = c("6", "9"),
col = 2)
legend("topright", c("Control", "Pyrifos 44"), lty = 1, col = c(1,2))
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。
注3：如遇到不准确之处，请在本贴的后面进行回帖，我们会逐渐进行修订。
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发表于 2012-10-1 15:09:14
