PMC:7755033 / 90522-90700 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T928","span":{"begin":0,"end":178},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"PCA is one of the most familiar methods of multivariate analysis which attempts to model the total variance of originally formed data set with the unrelated principal components."}