checkData {pcaMethods} | R Documentation

## Do some basic checks on a given data matrix

### 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

[Package pcaMethods version 1.86.0 Index]