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A data frame is similar to an array but its columns have names and may contain data of a different type. A data frame can be seen as a table of a database, where each ro…

Unit testing is the entire test application on the input and output signatures of a system. It consists of validating valid and invalid data via I/O being applied by dev…

Magic numbers are constants inserted into the code without a clear meaning in an immediate reading, which depend on the reader knowing the context, and so there is a ten…

Data Science (or data science) is an area of knowledge that unites concepts of statistics, computing and machine learning, as well as related methods, in order to extrac…