is: Various class/component testers

Description Usage Arguments Value Examples

Description

Class testers test if any of the classes of an object is of a given class. For instance is.PCA on a PCA object (both 'PCA' and 'prcomp') will return TRUE. Component testers check if a particular component (eg $fac, etc.) is present.

Usage

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Arguments

x

the object to test

Value

TRUE/FALSE

Examples

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Momocs documentation built on May 30, 2017, 5:23 a.m.

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