Entries by tag: python

Including child/synonym tags

Python Logging: Reference and Examples  17 Feb 2018    python logging
Examples on how to setup and configure loggin in Python applications. Examples include log rotation, log rotation with compression, logging in Flask applications, etc. Read More ›

Python Unit Testing with unittest: Reference and Examples  12 Feb 2018    python testing
Testing is needed in all but the most trivial applications. The unittest module is very widely used in Python because it's part of the standard library, starting with Python 2.1. Read More ›

Pandas Dataframe by Example: Plot Examples with Pyplot  22 Dec 2017    pandas
Examples on how to create plots for dataframe data. Read More ›

Python CSV Module: Reference and Examples  12 Dec 2017    python csv
Examples on how to read and write CSV files and configure Python's CSV module. Read More ›

Pip Install a Project having a setup.py file: an Example  11 Nov 2017    python
You can use pip to install a Python project that uses a setup.py setup file. Read More ›

Python number formatting examples  04 Nov 2017    python
Examples on how to format numbers in Python, e.g. rounding, truncating, etc. Read More ›

Scikit-Learn Pipeline Examples  21 Oct 2017    scikit-learn
Examples of how to use classifier pipelines on Scikit-learn. Includes examples on cross-validation regular classifiers, meta classifiers such as one-vs-rest and also keras models using the scikit-learn wrappers. Read More ›

Pandas DataFrame by Example: GroupBy Examples  11 Oct 2017    pandas groupby
Examples of specific ways to do what you want using groupby on Pandas Dataframes. Read More ›

Matplotlib: Pyplot By Example  05 Oct 2017    pyplot matplotlib
Examples for common operations on PyPlot, like changing figure size, changing title and tick sizes, changing legends, etc. Read More ›

Parallel For Loops in Python: Examples with Joblib  02 Oct 2017    python parallel
Joblib.Parallel is a simple way to spread your for loops across multiple cores, for parallel execution. Read More ›

Matplotlib, Pylab, Pyplot, etc: What's the difference between these and when to use each?  26 Sep 2017    python data-visualization data-newsletter-5
Do you often get confused with terms like maptlotlib, pyplot, pylab, figures, axes, gcf, gca, etc and wonder what they mean? Matplotlib is the toolkit, PyPlot is an interactive way to use Matplotlib and PyLab is the same thing as PyPlot but with some extra shortcuts. Read More ›

Seaborn by Example: Data Visualization and Plotting using Python  09 Sep 2017    python data-visualization plotting
Seaborn is a higher-level interface to Matplotlib. It has a more convenient API and has useful data visualization functions right out of the box. Read More ›

Pandas for Large Data  13 Aug 2017    data-newsletter-4 pandas performance
In order to successfully work with large data on Pandas, there are some ways to reduce memory usage and make sure you get good speed performance. Read More ›

Python Pickling for Data Science: Examples and Tips on how to use Pickle as part of your Data Work  12 Jul 2017    python pickle data-science
Pickle is a well-known Python tool for saving arbitrary variable contents into file. Here are a couple of examples and tips on how you can use it to make your data science work more efficient and easily reproducible. Read More ›

Scikit-Learn Cheatsheet: Reference and Examples  10 Mar 2017    wip scikit-learn
Just a couple of things you may find yourself doing over and over again when working with scikit-learn. Read More ›

Python Json Module: Reference and Examples  16 Jan 2017    wip python json
Python CLI Scripts and Applications: Reference + Examples  04 Jan 2017    wip python cli command-line
Setup Keras+Theano Backend and GPU on Ubuntu 16.04  10 Sep 2016    keras gpu theano
A couple of pointers on how to get up and running with Keras and Theano on a clean 16.04 Ubuntu machine. Read More ›

Numpy Distributions and Statistical Functions: Examples + Reference  10 Sep 2016    numpy statistics
A couple of examples of things you will probably want to do when using numpy for data work, such as probability distributions, PDFs, CDFs, etc. Read More ›

Python 3 Date and Time Manipulation: Examples  04 Jul 2016    python-3 date
Numpy Examples: Indexing, Reshaping and Performing Vectorized Operations on ndarrays  06 Jun 2016    python list numpy array
Numpy Array-like data structures (ndarrays) are the bread and butter of a lot of data work done these days. Here is a handy list of the most common ways to index and slice and operate on ndarrays with full examples, all together in one place. Read More ›

Working with Files & the Filesystem in Python: Reference and Examples  26 Mar 2016    wip python
Examples on how to perform filesystem-related tasks using python. Tasks include reading and writing to files, listings files and manipulating the path. Read More ›

Python Environment Cheatsheet  25 Mar 2016    python
Python Regular Expressions: Examples & Reference  16 Mar 2016    python regex
Pandas DataFrame by Example  15 Dec 2015    pandas python
Lots of examples of ways to use one of the most versatile data structures in the whole Python data analysis stack. Learn how to slice and dice, select and perform commonly used operations on DataFrames. Read More ›

One-Hot Encoding a Feature on a Pandas Dataframe: an Example  27 Nov 2015    pandas
One-hot encoding is a simple way to transform categorical features into vectors that are easy to deal with. Learn how to do this on a Pandas DataFrame. Read More ›

Spark SQL: Examples on pyspark  18 Oct 2015    wip pyspark sparksql
Functional Programming with Python: Quick Reference with Examples  16 Apr 2015    python functional programming
Getting started with Python NLTk on Ubuntu  29 Mar 2015    python nltk
Python Environment Examples and Gotchas: Pip, Virtualenvs, etc   19 Jun 2014    pip virtualenv
How to Install pip on Ubuntu  02 Jun 2014    ubuntu pip
Python 1-Minute Tutorial for Those with Previous Programming Experience  20 Feb 2014    python