3.4.5.7. PCA (complete interface)

_images/pca_tab.png

PCA

This tab allows for the PCA (Principal Component Analysis) of bands loaded in the Band set. It is loaded only if the Simplified interface is not enabled.

A report .txt is saved along with the PCA bands, containing the covariance matrix, correlation matrix, eigen vectors, and eigen values.

Tip

Information about APIs of this tool in Remotior Sensus at this link .

3.4.5.7.1. PCA

Tool symbol and name

Description

Select input band set input_number

select the input Band set (complete interface)

checkbox Number of components input_number optional

set the number of components to be calculated

checkbox Use value as NoData input_number

if checked, set the value of NoData pixels, ignored during the calculation

Script script_tool

add this function to the Script (complete interface)

RUN run

run this function

The Output tab will display the Principal Components Analysis details (Covariance matrix, Correlation matrix, Eigenvectors, and Eigenvalues).