In order to assess the expected error in an experiment design the software requires data to work with. This can be provided in two forms, either raw Ct data in a spreadsheet or by manually specifying the variance components at each level.  The choice is made through the use of the tabs at the top of the ‘Data Input’ panel:

There are three paths to choose from in completing the data specification before progressing to the design modification section, only one of which must be chosen depending on your circumstances. Click one of the paths below to learn more:

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Data input options