pcaMethods: checkData – R documentation

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checkData

Do some basic checks on a given data matrix

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

checkData(data, verbose = FALSE)

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

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

Wolfram Stacklies

A collection of PCA methods

v1.82.0

GPL (>= 3)

Authors

Wolfram Stacklies, Henning Redestig, Kevin Wright

Initial release