OBSOLETE MULTIVARIATE STATISTICS 程序包 符号

# PrincipalComponents

As of Version 8, PrincipalComponents is part of the built-in Mathematica kernel.

PrincipalComponents[matrix]
transforms elements of matrix into principal components.

## 更多信息更多信息

• To use , you first need to load the Multivariate Statistics Package using Needs["MultivariateStatistics`"].
• gives the principal component transform of matrix.
• The principal components of matrix are linear transformations of the original columns into uncorrelated columns arranged in order of decreasing variance.
• The dimensions of PrincipalComponents[matrix] are the same as the dimensions of matrix.
• The following options can be given:
•  Method Covariance scaling method for decomposition WorkingPrecision MachinePrecision the precision used in internal computations
• Possible values of Method are Covariance and Correlation.

## 范例范例打开所有单元关闭所有单元

### 基本范例 (1)基本范例 (1)

Principal components for bivariate data:

 Out[2]=

## 教程教程

New to Mathematica? Find your learning path »
Have a question? Ask support »