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文件名称：R语言Machine Learning for Hackers
文件大小：20.83MB
文件格式：PDF
更新时间：2021-09-20 08:31:27
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What is machine learning? At the highest level of abstraction, we can think of machine
learning as a set of tools and methods that attempt to infer patterns and extract insight
from a record of the observable world. For example, if we are trying to teach a computer
to recognize the zip codes written on the fronts of envelopes, our data may consist of
photographs of the envelopes along with a record of the zip code that each envelope
was addressed to. That is, within some context we can take a record of the actions of
our subjects, learn from this record, and then create a model of these activities that will
inform our understanding of this context going forward. In practice, this requires data,
and in contemporary applications this often means a lot of data (perhaps several terabytes). Most machine learning techniques take the availability of such data as given,
which means new opportunities for their application in light of the quantities of data that are produced as a product of running modern companies