validateSampInfo: Validate sample information
In martingarridorc/biokit: Toolkit for the automatic analysis of omics data

Evaluates integrity of the grouping variable at the sample information data frame.

validateSampInfo(
  sampInfo,
  groupCol,
  mat,
  checkNames = TRUE,
  checkSingleSample = TRUE
)

`sampInfo`	The sample information data frame.
`groupCol`	The column containing the grouping variable.
`mat`	Matrix containing data. If provided, it will check number of columns in mat.
`checkNames`	Check if grouping variable contains syntactically valid names? If TRUE, they are fixed in the output data frame.
`checkSingleSample`	Check if any group contains only one sample? A warning message appears if true.