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MetaboAnalyst:代谢组学PCA,OPLS-DA分析

MetaboAnalyst:代谢组学PCA,OPLS-DA分析

作者: 佳名 | 来源:发表于2021-03-21 17:47 被阅读0次

    网站:https://www.metaboanalyst.ca/
    Click here to start

    Statistical Analysis

    This module offers various commonly used statistical and machine learning methods including t-tests, ANOVA, PCA, PLS-DA and Orthogonal PLS-DA. It also provides clustering and visualization tools to create dendrograms and heatmaps as well as to classify data based on random forests and SVM.
    本模块提供了各种常用的统计和机器学习方法,包括t检验,方差分析,PCA, PLS-DA和正交PLS-DA。它还提供了聚类和可视化工具来创建树状图和热图,以及根据随机森林和SVM对数据进行分类。

    1.上传数据

    Fig1.PNG

    如果你上传的列表中每一列为一个样本,Format选择Samples in columns;如果每一行为一个样本,Format选择Samples in rows
    点击Submit

    2数据完整性检查

    Data Integrity Check:


    捕获.PNG

    3.数据过滤

    捕获3.PNG

    Data Filtering:
    Filtering features if their RSDs are > 25%
    Interquantile range (IQR)

    4标准化总览

    Normalization overview:


    捕获2.PNG

    点击proceed

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