This paper introduces the connotations of the decision tree algorithm and the method for constructing of the decision tree algorithm,improves the decision tree algorithm constructed by using the weighted mean roughness,and illustrates the advantages of the improvement algorithm with the example.
介绍了决策树算法的含义和构筑方法,对基于加权平均粗糙度构造决策树算法进行改进,通过实例说明了改进算法的优势。
We presented weighted mean roughness, a new concept based on rough sets theory which is regarded as the criteria for choosing attributes.
基于粗糙集的理论提出了加权平均粗糙度的概念 ,将其作为选择分离属性的标准。
In the process of constructing a decision tree, weighted mean roughness, a new concept based on rough set theory which is regarded as the criteria for choosing attributes is applied.
在构造决策树的过程中,基于粗集的理论运用了加权平均粗糙度的概念,并将其作为选择分离属性的标准。
arithmetical mean deviation of the (roughness) profile
(粗糙度)轮廓的算术平均偏差
instrument for the measurement of surface roughness by the profile method
轮廓法测量表面粗糙度的仪器
standard deviation of the arithmetic mean of a series of measurements
测量列算术平均值的标准（偏）差
standard deviation of weighted arithmetic mean
加权算术平均值的标准（偏）差
the arithmetic mean of the absolute values of deviations from the mean of a distribution.
分布平均数与偏差绝对值的算术平均值。
" Quality , Surface roughness and balance of transmission pulleys"
GB/T11357-1989带轮的材质、表面粗糙度及平衡
Diagonal Slice Spectrum Analysis of Rough Surface Profile
粗糙表面轮廓的对角线切片谱分析
Influence of Undeformed Chip Thickness on Surface Roughness-Spectral Analysis of the Profile of Machined Surface
切削厚度对加工粗糙度的影响——已加工表面轮廓的谱分析
The Study of Cylindrical Surface Roughness System Based on Profile Meter with Rotary Table
基于旋转台式轮廓仪对圆柱体表面粗糙度测量的研究
Improved Rough K-means Clustering Algorithm with Weight Based on Density
基于密度加权的粗糙K-均值聚类改进算法
A New Method for the Roughness Measure of a Fuzzy Set;
模糊粗糙集中依参数粗糙度的新算法
Diameter Tolerance, Ovality and Average Decarburized Layer Depth
直径公差，偏圆度及脱碳层的平均深度
Correction Algorithm of Phase Shifting Errors in Phase Measuring Profilometry;
位相测量轮廓术中相移误差的校正算法
Influence of Face Roughness and Static Stator Angular Misalignment on Steady-state Behavior of Low Speed Dry Gas Seal
端面粗糙度及静环静态角偏差对低速干气密封稳态特性的影响
The Laser double focus interference spherical Profilometer is a new-type measuring instrument of high sensitivi-ty for roughness of surface.
激光双焦干涉球面微观轮廓仅是一种高灵敏度的表面粗糙度测量仪器。
Study of Spatial-Average-Based Surface Roughness Measurement Techniques Using Static and Dynamic Speckle Patterns
基于空间平均静态及动态散斑法表面粗糙度测量技术研究
Parameterize Tooth Profile Slope Deviation Measuring Uncertainty in Gear Measuring Center Standard
齿轮测量中心标准中齿廓倾斜偏差测量不确定度参数的确定
In the paper, a new conception about equal errors and uniform roughness on whole surface is proposed.
针对这一问题，提出了全曲面等误差和均匀粗糙度加工的概念。