O'Reilly logo

Bioinformatics with R Cookbook by Paurush Praveen Sinha

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Supervised learning for classification

Like clustering, classification is also about categorizing data instances, but in this case, the categories are known and are termed as class labels. Thus, it aims at identifying the category that a new data point belongs to. It uses a dataset where the class labels are known to find the pattern. Classification is an instance of supervised learning where the learning algorithm takes a known set of input data and corresponding responses called class labels and builds a predictor model that generates reasonable predictions for the class labels in the unknown data. To illustrate, let's imagine that we have gene expression data from cancer patients as well as healthy patients. The gene expression pattern in these ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required