StatSample: Create a Statistical sampling object
In kuhnrl30/AuditTools:

This function creates a statistical samplingobject. The output will supply sample selections for detailed testing. Once testing is complete, the testin conclusions can be passed to the predict function to return the results of the audit test.

1	StatSample(x, method = "MUS", conf = 0.95, target)

`x`	Dataframe representing the sample population
`method`	Sample selection method. MUS for Monetary Unit Sampling and PUS for Physical Object Sampling.
`conf`	Confidence level. Numeric value between 0 an 1 which will impact the range of the confidence interval. Higher confidence levels result in greater confidence interval range.
`target`	Target of the sampling test. Can be a character value matching the column name or the column index value. For MUS, this is the column with the numerical data. As an example, the transaction dollar amount. If not defined, the function Will default to the last column of the dataframe.