Plot scores from a fitted PPCA model
A function to plot the scores resulting from fitting a PPCA model to metabolomic data.
An object resulting from fitting a PPCA model.
Should it be relevant, a vector indicating the known treatment group membership of each observation.
This function produces a series of scatterplots each illustrating the estimated score for each observation within the reduced q dimensional space. The uncertainty associated with the score estimate is also illustrated through its 95
It is often the case that observations are known to belong to treatment groups; the treatment group membership of each observation can be illustrated on the plots produced by utilizing the ‘group’ argument.
Nyamundanda Gift, Isobel Claire Gormley and Lorraine Brennan
Nyamundanda, G., Gormley, I.C. and Brennan, L. (2010) Probabilistic principal components analysis for metabolomic data. Technical report. University College Dublin, Ireland.
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