checkData: Do some basic checks on a given data matrix

In pcaMethods: A collection of PCA methods

Description

Check a given data matrix for consistency with the format required for further analysis. The data must be a numeric matrix and not contain:

• Inf values

• NaN values

• Rows or columns that consist of NA only

Usage

checkData(data, verbose = FALSE)

Arguments

data	matrix – Data to check.
verbose	boolean – If TRUE, the function prints messages whenever an error in the data set is found.

Value

isValid

boolean – TRUE if no errors were found, FALSE otherwise. isValid contains a set of attributes, these are: isNumeric - TRUE if data is numeric, false otherwise isInfinite - TRUE if data contains 'Inf' values, false otherwise isNaN - TRUE if data contains 'NaN' values, false otherwise isMatrix - TRUE if the data is in matrix format, FALSE otherwise naRows - TRUE if data contains rows in which all elements are 'NA', FALSE otherwise naCols - TRUE if data contains columns in which all elements are 'NA', FALSE otherwise

Author(s)

Wolfram Stacklies

pcaMethods documentation built on Nov. 8, 2020, 6:19 p.m.