topTable-methods(nlcv)
topTable-methods()所属R语言包:nlcv
Methods for topTable
为topTable方法
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Methods for topTable. topTable extracts the top n most important features for a given classification or regression procedure.
方法为topTable。 topTable提取一个给定的分类或回归过程的前n个最重要的特点。
参数----------Arguments----------
参数:fit
object resulting from a classification or regression procedure
从分类或回归过程的对象产生
参数:n
number of features that one wants to extract from a table that ranks all features according to their importance in the classification or regression model
多项功能,要根据其分类或回归模型中的重要性,居所有功能从表中提取
参数:method
method used to rank the features; one of percentage (percentage of runs the feature is selected in the top n), meanrank (mean rank of the feature across runs) or medianrank (median rank of the feature across runs); percentage is the default method
使用排序功能的方法之一;percentage(百分比运行功能选择前n),meanrank(指排名的功能,在运行过程)或medianrank(中位数跨运行功能的排名);percentage是默认的方法
Details
详情----------Details----------
The top n features are extracted across all runs of the nested loop cross-validation. After ranking on their frequency of selection, the top n are retained and returned.
前n个特征提取跨越嵌套循环交叉验证所有运行。后,他们选择的频率居前n保留并返回。
值----------Value----------
a data frame of one column (percentage) with percentages reflecting the frequency of selection of a feature in the top n across all runs; the features are sorted on decreasing frequency.
降低频率排序的一列数据框的百分比,反映了频率选择的功能,在所有运行的前n(percentage);功能。
方法----------Methods----------
nlcv
nlcv
fit = "nlcv" nlcv objects are produced by nlcv
适合=“nlcv”nlcv对象是由nlcv
作者(S)----------Author(s)----------
Willem Talloen and Tobias Verbeke
举例----------Examples----------
data(nlcvRF_SS)
topTable(nlcvRF_SS, n = 7, method = "medianrank")
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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