Processes | Expression Parameters | Number of First Principal Component to Model

Number of First Principal Component to Model
Use this field/slider to specify the first principal components to model.
Principal components with an index smaller than the number specified here are not included in the variance components modeling. For example, if you want to omit the first principal component in the calculations, specify a 2 here.
By default, this parameter is set to 1 .
To Specify the Number of First Principal Component:
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Specify an integer between 1 and the total number of principal components computed.
Tip : To change the scale of the slider, right-click on the slider and select Rescale Slider from the pop-up menu. Change the upper and/or lower boundaries in the window that appears, to rescale the slider and click OK .