Modules is one of the best feature of Python. Except some core modules, you can install what you need and keep your Python setup smooth.
A sampled signal can have small fluctuations alongside the peaks you want to keep. SciPy’s find_peaks locates local maxima in a one-dimensional signal and can filter them with conditions such as height or distance. I’ll show how to use find_peaks…
A Python script that reads page titles or links needs a way to pick those values out of HTML. HTMLParser reads supplied HTML and calls functions you define when it reaches tags and text. In this piece, I’ll walk through…
For a yes-or-no outcome, you need a model that relates the result to its predictors. Statsmodels provides Logit and Probit, two estimators for modeling binary responses. In this piece, I’ll fit both models and show how to inspect their estimates…
As a Python program runs, its messages are more useful when each one shows its severity and goes to the right place. Python’s logging package lets your code create these records and send them to the console or a file.…
Building a Python WebSocket example means connecting a client to a server. The websockets package lets them exchange messages over one connection that stays open until either side closes it. This article shows how to install websockets and build a…
In a notebook, SciPy must be installed for the Python kernel that runs its cells. SciPy is a Python library of numerical algorithms built on NumPy arrays. I’ll show how to install SciPy into a notebook kernel and explain when…
As you split a Python project into packages, you may see a leading dot in an import and wonder which module it names. Python relative imports use those dots to resolve a name from the importing module’s package. I’ll explain…
When one Python file needs to use a function defined in another, you can put that function in a module. A Python module is a source file that another file can import. In this piece, I’ll show how to save…
To reuse a function across Python files, you can put it in one file and import that file where you need it. A Python module is a file of statements and definitions, usually with a .py extension, that another file…
Python code that calculates with calendar dates or clock times can keep those values as objects until it needs display text. The built-in datetime module provides the types and operations for that work. In this piece, I’ll show you how…