Variable

A "variable" is some property of a sample which may be relevant to the data.   Examples of variables are

Variables can have continuous values (e.g. weight, sample quality) or discrete values (e.g. case / control).  

Variables are defined through the sample table GUI by the following procedure.  They can also be defined by reading a Sample sheet.

The influence of a discrete variable on the data can be visualized using the variable analysis tab.

See Also

Special variables

Sample sheet

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