© K. Mohaideen Abdul Kadhar and G. Anand 2021
K. M. Abdul Kadhar, G. AnandData Science with Raspberry Pihttps://doi.org/10.1007/978-1-4842-6825-4_1

1. Introduction to Data Science

K. Mohaideen Abdul Kadhar1   and G. Anand1
(1)
Pollachi, Tamil Nadu, India
 
Data is a collection of information in the form of words, numbers, and descriptions about the subject. Consider the following statement: “The dog has four legs, is 1.5m high, and has brown hair.” This statement has three different kinds of information (i.e., data) about the dog. The data “four” and “1.5m” is numerical data, and “brown hair” is descriptive. It is good to know the various kinds of data types to understand the data, perform effective analysis, and better extract knowledge from the data. ...

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