Lecture Note
University
University of California San DiegoCourse
DSC 207R | Python for Data SciencePages
2
Academic year
2023
anon
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20
Why Pandas is the Best Data Analysis Libraryin Python? Data analysis is a crucial aspect of data science, and Python has emerged as one of the most popular languages for this purpose. In Python, Pandas is the go-to library for dataanalysis, and for good reason. Pandas provides a rich set of tools for data manipulation,cleaning, analysis, and visualization, making it a must-have tool for any data scientist. In this post, we'll talk about the importance of Pandas for Python data science, highlight some of Pandas' most important data structures, and talk about Pandas' features that haveled to its widespread use as an analytics tool. The Value of Pandas to Data Science in Python Pandas library provides a number of data analysis-friendly features, which made it one of the most popular data science tools. Pandas builds upon NumPy, so most of the NumPyadvantages still hold true. However, it uniquely enables ingestion and manipulation ofheterogeneous data types in an intuitive fashion. Pandas also enables combining large data sets using merge and join. And it provides a very efficient library for breaking data sets, transforming, and recombining. Another greatfeature Pandas provides is its visualizations. Plugged-in data has been simplified in-builtfunctions that come with a data frame. And descriptive statistics, by using simple function, isanother good part of Pandas. This capability really simplifies the exploratory data analysis,as well as communication of results. Furthermore, Pandas library effectively processes time-series data using the native techniques it offers for ingesting, transforming, and analyzing time-series data. Using nativetechniques to manage missing data and data pivoting, simple data sorting and descriptioncapabilities, quick generation of data plots, and Boolean indexing for quick image processingand other masking operations are just a few more advantages of utilizing Pandas. Key Data Structures of Pandas Pandas achieves this thanks to two data structures, namely pandas Series and pandas DataFrame. A series is one one-dimensional array-like object that provides us with manyways to index data. Series acts like an ndarray, but it supports many data types, integers,strings, floating point numbers, Python objects, et cetera, as a part of the array. It is a validargument to most NumPy methods because of its similarities to arrays. The axis labels arecollectively referred to as the index, and we can get and set values by these index labels. Soa series is like a fit sized dictionary in this regard, but it's very flexible.
Although series is a flexible data structure, the data structure that gets used even more is pandas DataFrame. A DataFrame is a 2-D elastic data structure that supportsheterogeneous data with labeled axis for rows and columns. Arithmetic operations canappear on both row and column labels. It can be viewed as a container for things in series,with each row representing a series. Pandas probably already contains the capabilitiesyou're searching for to perform some data manipulation. It offers practically all of the keydata-wrangling tools that data scientists require. The development community activelysupports it, and its functionality keeps growing. Capabilities of Pandas that Resulted in its Widespread Adoption Because to its various features, Pandas has become a crucial tool for data scientists and has gained widespread usage. It offers straightforward and intuitive data management,cleaning, analysis, and visualization. Effectively handles missing data, data pivoting, andtime-series data. Additionally, it offers quick data plot production, simple data sorting anddescription capabilities, as well as Boolean indexing for quick image processing and othermasking tasks. Also, the development community actively supports it, and its functionalitykeeps growing.
Unleashing The Power of Data Analysis in Python
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