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Practical Predictive Analytics by Ralph Winters

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Inputting and Exploring Data

"On two occasions I have been asked, "Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?" ... I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question."
-Charles Babbage

In this chapter, we will cover inputting and exploring data. In the first two chapters, we covered processing some datasets that already reside within R packages. We purposefully avoided reading any external data sources. However, now we will. The inputting data section will cover various mechanisms for reading your own data into R.

The exploring data section covers some techniques you can use to implement successful completion of the second and third of the ...

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