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Tag: NumPy

Home › Posts tagged NumPy
Python – Learn Pandas with SQL Examples – Football Analytics Example
Python

Python – Learn Pandas with SQL Examples – Football Analytics Example

Vitosh Sep 3, 2025 Tagged with analytics, data science, NumPy, Pandas, Python, sql

When working with data, you will often move between SQL databases and Pandas DataFrames. SQL is excellent for storing and retrieving data, while Pandas is ideal for analysis inside Python. In this article, we show how both can be used …

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Python – What is the idea of “-1” in numpy reshape?
Python

Python – What is the idea of “-1” in numpy reshape?

Vitosh Jan 27, 2020 Tagged with -1, NumPy, Python, reshape

Today I was “fighting” with the numpy reshape function and I found something strange like matrix.reshape(1, -1). Thus, I have researched quite some time and I found, that the -1 is actually a placeholder for python to change the dimensions …

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Numpy and Pandas – Small introduction with Jupyter Notebook
Python

Numpy and Pandas – Small introduction with Jupyter Notebook

Vitosh Oct 23, 2019 Tagged with introduction, Jupyter Notebook, NumPy, Pandas, Python, Small

Last week I was participating at the Python and ML Summit in Berlin. One of the most interesting lectures, on which I participated, was a workshop by, named “Reading all yourself was yesterday – How to turn large amounts of …

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NumPy Fast Operation and Computations
Python

NumPy Fast Operation and Computations

Alberto Boschetti And Luca Massaron Nov 16, 2018 Tagged with Computations, Fast Operation, NumPy

LearnNumPy fast operation and computations in this article by Alberto Boschetti, a data scientist with expertise in signal processing and statistics and Luca Massaron, a data scientist and marketing research director specialized in multivariate statistical analysis, machine learning, and customer …

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Using NumPy for Simulations
Python

Using NumPy for Simulations

Alvaro Fuentes Oct 11, 2018 Tagged with data analysis, NumPy, NumPy for Simulations, Python, Simulating stock returns

Learn how to use NumPy for simulations in this tutorial by Alvaro Fuentes, a data scientist with an M.S. in quantitative economics and applied mathematics with more than 10 years of experience in analytical roles. NumPy, also known as Python’s vectorization solution, …

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