English | 2019 | ISBN: 978-1789800111 | 460 Pages | PDF, EPUB, MOBI | 114 MB
Data is the new oil but it comes as crude, just like oil. To do anything meaningful – modeling, visualization, machine learning, for predictive analysis – you first need to wrestle and wrangle with data. This book teaches the essential basics of data wrangling using Python.
To practice high-quality science with data, first you need to make sure it is properly sourced, cleaned, formatted, and pre-processed. This book teaches you the most essential basics of this invaluable component of the data science pipeline – data wrangling.
What you will learn
- Able to manipulate complex and simple data structure using Python and it’s built-in functions
- Use the fundamental and advanced level of Pandas DataFrames and numpy.array
- Manipulate them at run time
- Extract and format data from various formats (textual) – normal text file, SQL, CSV, Excel, JSON, and XML
- Perform web scraping using Python libraries such as BeautifulSoup4 and html5lib
- Perform advanced string search and manipulation using Python and RegEX
- Handle outliers, apply advanced programming tricks, and perform data imputation using Pandas
- Basic descriptive statistics and plotting techniques in Python for quick examination of data
- Practice data wrangling and modeling using the random data generation techniques
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