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EVALUATING SYSTEM PERFORMANCE WITH SPARSE PRINCIPAL COMPONENT ANALYSIS AND A TEST STATISTIC

机译:用稀疏主成分分析和测试统计量评估系统性能

摘要

A method for evaluating system performance can include comparing a test average of instances of variables of test system variables to a baseline average of a baseline variables. Each of the instances of the variable of the test system variables may be shifted by a shift amount for a subset of the variables. A modified test data set may be generated from the shifted test data set. The modified test data set may be transformed with a sparse principal component analysis into test components. The test components may be compared to baseline components using a Hotelling T2 as a test statistic. Performance of the system may be quantified based upon the test statistic.
机译:用于评估系统性能的方法可以包括将测试系统变量的变量的实例的测试平均值与基线变量的基线平均值进行比较。测试系统变量的变量的每个实例可以针对变量的子集移位一个移位量。可以从移位的测试数据集生成修改的测试数据集。可以使用稀疏主成分分析将修改后的测试数据集转换为测试成分。可以使用Hotelling T2作为测试统计量将测试组件与基线组件进行比较。可以基于测试统计量来量化系统的性能。

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