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Technology
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31 Dec, 2024
Most Frequently asked numpy Interview Questions (2024)
NumPy
(Numerical Python) is a powerful library in Python primarily used for numerical and scientific computing. It provides support for large, multi-dimensional arrays and matrices, along with a collection of mathematical functions to operate on these arrays. NumPy is a core library for scientific and data analysis tasks in Python, and it serves as the foundation for many other libraries, such as
Pandas
,
SciPy
,
Matplotlib
, and
Scikit-learn
.
Technology
Questions
30 Dec, 2024
Most Frequently asked dataframe Interview Questions (2024)
A
DataFrame
is a two-dimensional, size-mutable, and potentially heterogeneous tabular data structure in
pandas
, which is a widely used data analysis and manipulation library in Python. It is similar to a table in a database or an Excel spreadsheet, where data is organized in rows and columns. Each column can hold different data types (e.g., integers, floats, strings), making it more flexible and powerful than a regular 2D array.