Example sentences for: pca

How can you use “pca” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • On the same two-dimensional view, we plotted one dataset of 86 profiles from lung adenocarcinomas and another dataset of 45 profiles from glioblastomas and astrocytomas, generated from previous global gene-expression studies [ 5 6 ] . Figure 1shows this principal components analysis (PCA) plot of the gene-expression profiles from cell cultures, xenografts, and human lung and brain tumors.

  • PCA was conducted on all three datasets and hence there were three different input variables.

  • Some researchers think IL-6 may play a role in PCA because of what IL-6 does in other model systems of cancer biology.

  • The consecutive steps of the permutation validated PCA procedure are shown in Figure 1. In step 1, we perform rank-ordered PCA based on the polished gene expression matrix X (see Materials and methods) by computing separate oneway ANOVAs on the principal components loadings for each of the components.

  • In three of these cell lines, LNCaP, MDA PCa 2a and MDA PCa 2b, mutations in the ligand-binding domain of the AR confer broad steroid-binding affinity [ 8, 9].


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