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…
Tag: NumPy
Python – What is the idea of “-1” in numpy 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 of…
Numpy and Pandas – Small introduction with Jupyter Notebook
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…
NumPy Fast Operation and Computations
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…
Using NumPy for Simulations
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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