![]() ![]() ![]() ![]() Lowering the number of variables in a data set inevitably reduces its precision, just as shrinking an image will leave out several details you could see in its larger counterpart. This approach transforms an extensive collection of variables into a smaller group that retains nearly all the data in the larger set. PCA is a method to reduce the dimensionality of enormous data collections. Principal component analysis (PCA) is a statistical technique to reduce the dimensionality of complex, high-volume datasets by extracting the principal components that contain the most information and rejecting noise or less important data while preserving all the crucial details.Įxtracting Two Principal Components (PCs) From a Broad Dataset of Genetic Data Applications of Principal Component Analysis.How Does Principal Component Analysis Work?. ![]()
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