plot.dwt.multiple(wavelets)
plot.dwt.multiple()所属R语言包：wavelets
Plot Multiple DWT Objects
的图多DWT对象
译者：生物统计家园网 机器人LoveR
描述----------Description----------
Plot wavelet and scaling coefficients of multiple DWT objects.
图小波和多个DWT对象的缩放系数。
用法----------Usage----------
## S3 method for class 'multiple'
plot.dwt(x, levels = NULL, ylim = NULL, draw.dashed.lines =
TRUE, draw.level.labels = TRUE, col = c("red","blue"), ...)
参数----------Arguments----------
参数：x
A list of dwt objects.
的名单dwt对象。
参数：levels
Number, vector, or list of two vectors indicating range of levels to plot. See details.
数，向量，两个向量的指示范围内的水平图名单。查看详细信息。
参数：ylim
Vector specifying the lower and upper limits of the vertical y-axis of each plot.
向量确定的上限和下限的垂直的Y轴的每个图。
参数：draw.dashed.lines
Boolean indicating whether dashed lines should be drawn between levels of wavelet and scaling coefficients.
布尔值，指示是否虚线应制定小波和尺度系数之间的水平。
参数：draw.level.labels
Boolean indicating whether the labels for the levels of wavelet and scaling coefficients should be drawn.
布尔值，指示是否应得出的标签小波和尺度系数的水平。
参数：col
Vector of length 2 for the alternating colors of the coefficients to be drawn. The colors alternate by level of the wavelet or scaling coefficients drawn. The first element of the vector is the color of the coefficients of the first level drawn.
向量的长度为2的系数的交替的颜色进行描画。绘制的颜色交替的小波或缩放系数的水平。该矢量的第一个元素的颜色绘制的第一级的系数。
参数：...
Additional paramters that are acceptable arguments to the generic plot function
额外的参数研究的通用plot函数的参数是可以接受的
Details
详细信息----------Details----------
If a single number is specified for levels, then the wavelet coefficients of levels 1 through levels will be plotted. Otherwise, a vector or the first element of a list will specify which levels of the wavelet coefficients will be plotted. Unless specified in the second element of a list, only one level of scaling coefficients will be plotted and this level is equal to the highest level of the wavelet coefficients plotted. If a DWT object is defined for multiple time series, only the data pertaining to the first time series of the DWT object is plotted. Thus, only the wavelet coefficients and scaling coefficients of the first time series of the DWT objects will be plotted.
如果一个单一的数字被指定为levels，然后的小波系数等级1至levels会被绘制。否则，一个向量或列表中的第一个元素将指定将被绘制的小波系数的层次。除非另外指定，在列表中的第二个元素，只有一个水平缩放系数将被绘制，这个水平是等于到最高级别的小波系数绘制。如果一个DWT对象被定义为多个时间序列，只有相关的数据的第一时间序列的DWT对象绘制。因此，只有对小波系数和缩放系数，所述第一时间序列的DWT对象将被绘制。
For each dwtobject in the list of x, plot.dwt.multiple takes the coefficients of the dwt object and concatenates wavelet coefficients and scaling coefficients by levels specified in levels. The wavelet coefficients will always be plotted preceding the scaling coefficients.
对于每个dwt对象列表中的x，plot.dwt.multiple需要dwt对象和串连的小波系数和缩放系数的系数由水平在levels指定 。的小波系数将始终被绘制之前的定标系数。
This function allows users to visually examine differences in the DWT transform of a time series using different filters (different dwt objects).
此功能可以让用户直观地检查不同的小波变换的时间序列，使用不同的过滤器（不同的dwt对象）。
For an example, see Figure 126 of Wavelet Methods for Time Series Analysis by Percival and Walden (2000).
举一个例子，参见图126波斯富街和Walden（2000年）的时间序列分析的小波方法。
（作者）----------Author(s)----------
Kelvin Ma, kkym@u.washington.edu
参考文献----------References----------
Time Series Analysis, Cambridge University Press.
参见----------See Also----------
plot.dwt
plot.dwt
实例----------Examples----------
X <- rnorm(2048)
# Create DWT Object of X with the "la8" filter.[创建DWT对象的X的“LA8”过滤器。]
dwtobj1 <- dwt(X, filter = "la8")
# Create DWT Object of X with the "d4" filter.[创建DWT对象的X“D4”过滤器。]
dwtobj2 <- dwt(X, filter = "d4")
# Create DWT Object of X with the "haar" filter[创建DWT对象的X与“哈尔”过滤器]
dwtobj3 <- dwt(X, filter = "haar")
# Create DWT Object of X with the "c6" filter[创建DWT的“C6”过滤器对象的X]
dwtobj4 <- dwt(X, filter = "c6")
#Create list of dwt objects[创建载重吨对象列表]
dwtlist <- list(dwtobj1, dwtobj2, dwtobj3, dwtobj4)
# Plot the dwt objects and the wavelet coefficients of level 1 through 6[绘制载重吨对象和小波系数为1级至第6]
# and the scaling coefficients of level 6. The first level drawn will[和第6级的缩放系数。第一个层次画会]
# be purple and the next level drawn will be gold.[是紫色的，制定一个新的水平会是黄金。]
plot.dwt.multiple(dwtlist, levels = 6, col = c("purple", "gold"))
# Plot the dwt objects and the wavelet coefficients of level 1, 3, and 5[绘制载重吨对象和第1级，第3和5的小波系数]
# and scaling coefficients of level 2, and 4.[和缩放系数，第2级和4。]
plot.dwt.multiple(dwtlist, levels = list(c(1,3,5), c(2,4)))
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。
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发表于 2012-10-1 16:58:40
