plot.spec(stats)
plot.spec()所属R语言包：stats
Plotting Spectral Densities
绘制谱密度
译者：生物统计家园网 机器人LoveR
描述----------Description----------
Plotting method for objects of class "spec". For multivariate time series it plots the marginal spectra of the series or pairs plots of the coherency and phase of the cross-spectra.
类"spec"对象的绘制方法。多变量时间序列它的一致性和相交叉谱系列或对图轻微的光谱图。
用法----------Usage----------
## S3 method for class 'spec'
plot(x, add = FALSE, ci = 0.95, log = c("yes", "dB", "no"),
xlab = "frequency", ylab = NULL, type = "l",
ci.col = "blue", ci.lty = 3,
main = NULL, sub = NULL,
plot.type = c("marginal", "coherency", "phase"),
...)
plot.spec.phase(x, ci = 0.95,
xlab = "frequency", ylab = "phase",
ylim = c(-pi, pi), type = "l",
main = NULL, ci.col = "blue", ci.lty = 3, ...)
plot.spec.coherency(x, ci = 0.95,
xlab = "frequency",
ylab = "squared coherency",
ylim = c(0, 1), type = "l",
main = NULL, ci.col = "blue", ci.lty = 3, ...)
参数----------Arguments----------
参数：x
an object of class "spec".
对象类"spec"。
参数：add
logical. If TRUE, add to already existing plot. Only valid for plot.type = "marginal".
逻辑。如果TRUE，添加到现有的图。唯一有效的plot.type = "marginal"。
参数：ci
coverage probability for confidence interval. Plotting of the confidence bar/limits is omitted unless ci is strictly positive.
置信区间的覆盖概率。被忽略，除非ci是严格正图信心条形/限制。
参数：log
If "dB", plot on log10 (decibel) scale (as S-PLUS), otherwise use conventional log scale or linear scale. Logical values are also accepted. The default is "yes" unless options(ts.S.compat = TRUE) has been set, when it is "dB". Only valid for plot.type = "marginal".
如果"dB"，LOG10（分贝）的规模（如，S-PLUS）的图，否则用常规测井的刻度或线性刻度。逻辑值也接受。默认是"yes"除非options(ts.S.compat = TRUE)已定，当它是"dB"。唯一有效的plot.type = "marginal"。
参数：xlab
the x label of the plot.
X标签的图。
参数：ylab
the y label of the plot. If missing a suitable label will be constructed.
图的y标签。如果缺少一个合适的标签将兴建。
参数：type
the type of plot to be drawn, defaults to lines.
要绘制的图类型，默认为线。
参数：ci.col
colour for plotting confidence bar or confidence intervals for coherency and phase.
颜色一致性和相位，图信心条形或置信区间。
参数：ci.lty
line type for confidence intervals for coherency and phase.
线路类型的一致性和相位的置信区间。
参数：main
overall title for the plot. If missing, a suitable title is constructed.
图的总冠军。如果缺失，构建一个合适的标题。
参数：sub
a sub title for the plot. Only used for plot.type = "marginal". If missing, a description of the smoothing is used.
子标题为图。仅plot.type = "marginal"。如果丢失，使用平滑的描述。
参数：plot.type
For multivariate time series, the type of plot required. Only the first character is needed.
多变量时间序列，图类型的需要。只有第一个字符是必要的。
参数：ylim, ...
Graphical parameters.
图形参数。
参见----------See Also----------
spectrum
spectrum
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 2012-2-17 10:19:25
